Article: In the city, the population was spread out with 21.9% at age 19 and under, 14.3% from 20 to 24, 33.2% from 25 to 44, 20.4% from 45 to 64, and 10.1% who were 65 years of age or older. The median age was 30.8 years. For every 100 females, there were 92.0 males. For every 100 females age 18 and over, there were 89.9 males. There were 252,699 households, of which 20.4% had children under the age of 18 living in them, 25.5% were married couples living together, 16.3% had a female householder with no husband present, and 54.0% were non-families. 37.1% of all households were made up of individuals and 9.0% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 3.08.

Question: What percentage of the City of Bostons population is 25 to 44?
Ans: 33.2%


Article: The monogram theme was developed into an Art Deco-style badge on which the letters A and C framed a football rather than the letter F, the whole set within a hexagonal border. This early example of a corporate logo, introduced as part of Herbert Chapman's rebranding of the club in the 1930s, was used not only on Cup Final shirts but as a design feature throughout Highbury Stadium, including above the main entrance and inlaid in the floors. From 1967, a white cannon was regularly worn on the shirts, until replaced by the club crest, sometimes with the addition of the nickname "The Gunners", in the 1990s.

Question: What Arsenal club nickname sometimes appeared on club shirts?
Ans: The Gunners


Article: The modernist views hold that classical music is considered primarily a written musical tradition, preserved in music notation, as opposed to being transmitted orally, by rote, or by recordings of particular performances.[citation needed] While there are differences between particular performances of a classical work, a piece of classical music is generally held to transcend any interpretation of it. The use of musical notation is an effective method for transmitting classical music, since the written music contains the technical instructions for performing the work.

Question: Why is written musical notation effective? 
Ans: contains the technical instructions for performing the work


Article: 187th Street crosses Washington Heights and running from Laurel Hill Terrace in the east to Chittenden Avenue in the west near the George Washington Bridge and Hudson River. The street is interrupted by a long set of stairs east of Fort Washington Avenue leading to the Broadway valley. West of there, it is mostly lined with store fronts and serves as a main shopping district for the Hudson Heights neighborhood.

Question: 187th Street runs from Laurel Hill Terrace in the east to which avenue in the west?
Ans:
Chittenden Avenue