Article: Historically, Philadelphia sourced its water by the Fairmount Water Works, the nation's first major urban water supply system. In 1909, Water Works was decommissioned as the city transitioned to modern sand filtration methods. Today, the Philadelphia Water Department (PWD) provides drinking water, wastewater collection, and stormwater services for Philadelphia, as well as surrounding counties. PWD draws about 57 percent of its drinking water from the Delaware River and the balance from the Schuylkill River. The public wastewater system consists of three water pollution control plants, 21 pumping stations, and about 3,657 miles of sewers. A 2007 investigation by the Environmental Protection Agency found elevated levels of Iodine-131 in the city's potable water.[citation needed] In 2012, the EPA's readings discovered that the city had the highest readings of I-131 in the nation. The city campaigned against an Associated Press report that the high levels of I-131 were the results of local gas drilling in the Upper Delaware River.[citation needed]

Question: How many miles of sewers are in the city?
Ans: 3,657 miles


Here is a question about this article: Chickens raised intensively for their meat are known as "broilers". Breeds have been developed that can grow to an acceptable carcass size (2 kg (4.4 lb)) in six weeks or less. Broilers grow so fast, their legs cannot always support their weight and their hearts and respiratory systems may not be able to supply enough oxygen to their developing muscles. Mortality rates at 1% are much higher than for less-intensively reared laying birds which take 18 weeks to reach similar weights. Processing the birds is done automatically with conveyor-belt efficiency. They are hung by their feet, stunned, killed, bled, scalded, plucked, have their heads and feet removed, eviscerated, washed, chilled, drained, weighed, and packed, all within the course of little over two hours.
What is the answer to this question: How long does it take for a chicken raised in a less intensive envionment to reach optimal broiler size?
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So... 18 weeks to reach similar weights


The problem: Answer a question about this article:
Parasites can at times be difficult to distinguish from grazers. Their feeding behavior is similar in many ways, however they are noted for their close association with their host species. While a grazing species such as an elephant may travel many kilometers in a single day, grazing on many plants in the process, parasites form very close associations with their hosts, usually having only one or at most a few in their lifetime. This close living arrangement may be described by the term symbiosis, "living together", but unlike mutualism the association significantly reduces the fitness of the host. Parasitic organisms range from the macroscopic mistletoe, a parasitic plant, to microscopic internal parasites such as cholera. Some species however have more loose associations with their hosts. Lepidoptera (butterfly and moth) larvae may feed parasitically on only a single plant, or they may graze on several nearby plants. It is therefore wise to treat this classification system as a continuum rather than four isolated forms.
How many hosts do parasites typically have?
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The answer: one or at most a few in their lifetime


Problem: Please answer a question about the following article about Brigham Young University:
BYU offers programs in liberal arts, engineering, agriculture, management, physical and mathematical sciences, nursing and law. The university is broadly organized into 11 colleges or schools at its main Provo campus, with certain colleges and divisions defining their own admission standards. The university also administers two satellite campuses, one in Jerusalem and one in Salt Lake City, while its parent organization, the Church Educational System (CES), sponsors sister schools in Hawaii and Idaho. The university's primary focus is on undergraduate education, but it also has 68 master's and 25 doctoral degree programs.
Where are BYU's sibling schools located?
A: Hawaii and Idaho


Question: Read this and answer the question

Apart from being an ardent gamer Spielberg has had a long history of involvement in video games. He has been giving thanks to his games of his division DreamWorks Interactive most notable as Someone's in the Kitchen with script written by Animaniacs' Paul Rugg, Goosebumps: Escape from HorrorLand, The Neverhood (all in 1996), Skullmonkeys, Dilbert's Desktop Games, Goosebumps: Attack of the Mutant (all 1997), Boombots (1999), T'ai Fu: Wrath of the Tiger (1999), and Clive Barker's Undying (2001). In 2005 the director signed with Electronic Arts to collaborate on three games including an action game and an award winning puzzle game for the Wii called Boom Blox (and its 2009 sequel: Boom Blox Bash Party). Previously, he was involved in creating the scenario for the adventure game The Dig. In 1996, Spielberg worked on and shot original footage for a movie-making simulation game called Steven Spielberg's Director's Chair. He is the creator of the Medal of Honor series by Electronic Arts. He is credited in the special thanks section of the 1998 video game Trespasser. In 2013, Spielberg has announced he is collaborating with 343 Industries for a live-action TV show of Halo.

When was 'Skullmonkeys' released?
Answer: 1997


On June 11, 2006, the British tabloid The Mail on Sunday reported that iPods are mainly manufactured by workers who earn no more than US$50 per month and work 15-hour shifts. Apple investigated the case with independent auditors and found that, while some of the plant's labour practices met Apple's Code of Conduct, others did not: employees worked over 60 hours a week for 35% of the time, and worked more than six consecutive days for 25% of the time.
What percentage of Apple's manufacturing employees worked over 60 hour weeks?
35%