Problem: Solar energy:

Thermal mass systems can store solar energy in the form of heat at domestically useful temperatures for daily or interseasonal durations. Thermal storage systems generally use readily available materials with high specific heat capacities such as water, earth and stone. Well-designed systems can lower peak demand, shift time-of-use to off-peak hours and reduce overall heating and cooling requirements.

In what form do thermal mass systems store solar energy?
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A: heat


Problem: In the traditional domain noted in RFC 1591, .org is for "organizations that didn't fit anywhere else" in the naming system, which implies that it is the proper category for non-commercial organizations if they are not governmental, educational, or one of the other types with a specific TLD. It is not designated specifically for charitable organizations or any specific organizational or tax-law status, however; it encompasses anything that is not classifiable as another category. Currently, no restrictions are enforced on registration of .com or .org, so one can find organizations of all sorts in either of these domains, as well as other top-level domains including newer, more specific ones which may apply to particular sorts of organizations such as .museum for museums or .coop for cooperatives. Organizations might also register by the appropriate country code top-level domain for their country.
What can governments register by in their country?
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Answer: unanswerable


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In 2006, the animal rights organization People for the Ethical Treatment of Animals (PETA), criticized Beyoncé for wearing and using fur in her clothing line House of Deréon. In 2011, she appeared on the cover of French fashion magazine L'Officiel, in blackface and tribal makeup that drew criticism from the media. A statement released from a spokesperson for the magazine said that Beyoncé's look was "far from the glamorous Sasha Fierce" and that it was "a return to her African roots".
Which year did PETA spark controversy with Beyonce?
A: 2006


Context and question: The average net household income (after social, pension and health insurance contributions) in Paris was €36,085 for 2011. It ranged from €22,095 in the 19th arrondissement to €82,449 in the 7th arrondissement. The median taxable income for 2011 was around €25,000 in Paris and €22,200 for Île-de-France. Generally speaking, incomes are higher in the Western part of the city and in the western suburbs than in the northern and eastern parts of the urban area.[citation needed] Unemployment was estimated at 8.2 percent in the city of Paris and 8.8 percent in the Île-de-France region in the first trimester of 2015. It ranged from 7.6 percent in the wealthy Essonne department to 13.1 percent in the Seine-Saint-Denis department, where many recent immigrants live.
What was the unemployment rate in the city of Paris?
Answer: 8.2


Question: But early in the 16th century, a brilliant new red appeared in Europe. When the Spanish conquistador Hernán Cortés and his soldiers conquered the Aztec Empire in 1519-1521, they discovered slowly that the Aztecs had another treasure beside silver and gold; they had the tiny cochineal, a parasitic scale insect which lived on cactus plants, which, when dried and crushed, made a magnificent red. The cochineal in Mexico was closely related to the Kermes varieties of Europe, but unlike European Kermes, it could be harvested several times a year, and it was ten times stronger than the Kermes of Poland. It worked particularly well on silk, satin and other luxury textiles. In 1523 Cortes sent the first shipment to Spain. Soon cochineal began to arrive in European ports aboard convoys of Spanish galleons.
Is there an answer to this question: What Aztec conquistador conquered the Spanish Empire?

Answer: unanswerable


Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Classified as a Subtropical Mediterranean climate (Köppen Csb), Santa Monica enjoys an average of 310 days of sunshine a year. It is located in USDA plant hardiness zone 11a. Because of its location, nestled on the vast and open Santa Monica Bay, morning fog is a common phenomenon in May, June and early July (caused by ocean temperature variations and currents). Like other inhabitants of the greater Los Angeles area, residents have a particular terminology for this phenomenon: the "May Gray" and the "June Gloom". Overcast skies are common during June mornings, but usually the strong sun burns the fog off by noon. In the late winter/early summer, daily fog is a phenomenon too. It happens suddenly and it may last some hours or past sunset time. Nonetheless, it will sometimes stay cloudy and cool all day during June, even as other parts of the Los Angeles area enjoy sunny skies and warmer temperatures. At times, the sun can be shining east of 20th Street, while the beach area is overcast. As a general rule, the beach temperature is from 5 to 10 degrees Fahrenheit (3 to 6 degrees Celsius) cooler than it is inland during summer days, and 5–10 degrees warmer during winter nights.
What is the beach temperature in Fahrenheit during the summer ? 
A:
5 to 10 degrees