Problem: Imamah (Shia doctrine):

According to Isma'ilism, Allah has sent "seven" great prophets known as "Natq" (Spoken) in order to disseminate and improve his Din of Islam. All of these great prophets has also one assistant known as "Samad (Silent) Imam". At the end of each seven "Samad" silsila, one great "Natq" (Spoken) has ben sent in order to reimprove the Din of Islam. After Adam and his son Seth, and after six "Natq" (Spoken) "Samad" (Silent) silsila (NoahShem), (AbrahamIshmael), (MosesAaron), (JesusSimeon), (Muhammad bin Abd AllahAli ibn Abu Talib); the silsila of "Natqs and Samads have been completed with (Muhammad bin Isma'il as-saghir (Maymun'ul-Qaddah)Abd Allah Ibn-i Maymun and his sons).

How many great prophets has Allah sent?
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A: seven

Problem: A struggle for succession in the mid-twelfth century gave the Fujiwara an opportunity to regain their former power. Fujiwara no Yorinaga sided with the retired emperor in a violent battle in 1156 against the heir apparent, who was supported by the Taira and Minamoto (Hogen Rebellion). In the end, the Fujiwara were destroyed, the old system of government supplanted, and the insei system left powerless as bushi took control of court affairs, marking a turning point in Japanese history. In 1159, the Taira and Minamoto clashed (Heiji Rebellion), and a twenty-year period of Taira ascendancy began.
In what year did no Yorinaga side with the emerors heir apparent?
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Answer: unanswerable

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
Each year, nearly $200 million in hunters' federal excise taxes are distributed to state agencies to support wildlife management programs, the purchase of lands open to hunters, and hunter education and safety classes. Since 1934, the sale of Federal Duck Stamps, a required purchase for migratory waterfowl hunters over sixteen years old, has raised over $700 million to help purchase more than 5,200,000 acres (8,100 sq mi; 21,000 km2) of habitat for the National Wildlife Refuge System lands that support waterfowl and many other wildlife species and are often open to hunting. States also collect money from hunting licenses to assist with management of game animals, as designated by law. A key task of federal and state park rangers and game wardens is to enforce laws and regulations related to hunting, including species protection, hunting seasons, and hunting bans.
How much money has the sale of Federal Duck Stamps raised since 1934?
A: over $700 million

Context and question: Hinkley Point C nuclear power station is a project to construct a 3,200 MW two reactor nuclear power station. On 18 October 2010, the British government announced that Hinkley Point already the site of the disused Hinkley Point A and the still operational Hinkley Point B power stations was one of the eight sites it considered suitable for future nuclear power stations. NNB Generation Company, a subsidiary of EDF, submitted an application for development consent to the Infrastructure Planning Commission on 31 October 2011. A protest group, Stop Hinkley, was formed to campaign for the closure of Hinkley Point B and oppose any expansion at the Hinkley Point site. In December 2013, the European Commission opened an investigation to assess whether the project breaks state-aid rules. On 8 October 2014 it was announced that the European Commission has approved the project, with an overwhelming majority and only four commissioners voting against the decision.
What did the European Commission review
Answer: opened an investigation to assess whether the project breaks state-aid rules

Question: Yale's residential college system was established in 1933 by Edward S. Harkness, who admired the social intimacy of Oxford and Cambridge and donated significant funds to found similar colleges at Yale and Harvard. Though Yale's colleges resemble their English precursors organizationally and architecturally, they are dependent entities of Yale College and have limited autonomy. The colleges are led by a master and an academic dean, who reside in the college, and university faculty and affiliates comprise each college's fellowship. Colleges offer their own seminars, social events, and speaking engagements known as "Master's Teas," but do not contain programs of study or academic departments. Instead, all undergraduate courses are taught by the Faculty of Arts and Sciences and are open to members of any college.
Is there an answer to this question: Who teaches Yale's residential college's undergraduate classes?

Answer: Faculty of Arts and Sciences

Problem: Zinc:

Alloys of primarily zinc with small amounts of copper, aluminium, and magnesium are useful in die casting as well as spin casting, especially in the automotive, electrical, and hardware industries. These alloys are marketed under the name Zamak. An example of this is zinc aluminium. The low melting point together with the low viscosity of the alloy makes the production of small and intricate shapes possible. The low working temperature leads to rapid cooling of the cast products and therefore fast assembly is possible. Another alloy, marketed under the brand name Prestal, contains 78% zinc and 22% aluminium and is reported to be nearly as strong as steel but as malleable as plastic. This superplasticity of the alloy allows it to be molded using die casts made of ceramics and cement.

What are alloys of zinc mixed with copper, aluminium and plastic used for?
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A:
unanswerable