Problem: Punjab, Pakistan:

Punjab's geography mostly consists of the alluvial plain of the Indus River and its four major tributaries in Pakistan, the Jhelum, Chenab, Ravi, and Sutlej rivers. There are several mountainous regions, including the Sulaiman Mountains in the southwest part of the province, and Margalla Hills, Salt Range, and Pothohar Plateau in the north. Agriculture is the chief source of income and employment in Punjab; wheat and cotton are the principal crops. Since independence, Punjab has become the seat of political and economic power; it remains the most industrialised province of Pakistan. It counts for 39.2% of large scale manufacturing and 70% of small scale manufacturing in the country. Its capital Lahore is a major regional cultural, historical, and economic centre.

What is Pakistan's main export?
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A: unanswerable

Problem: The Royal School of Mines was established by Sir Henry de la Beche in 1851, developing from the Museum of Economic Geology, a collection of minerals, maps and mining equipment. He created a school which laid the foundations for the teaching of science in the country, and which has its legacy today at Imperial. Prince Albert was a patron and supporter of the later developments in science teaching, which led to the Royal College of Chemistry becoming part of the Royal School of Mines, to the creation of the Royal College of Science and eventually to these institutions becoming part of his plan for South Kensington being an educational region.
Which famous prince was a patron at the Royal School of Mines?
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Answer: Prince Albert

Q: What is a question about this article? If the question is unanswerable, say "unanswerable".
In the past several decades, Ann Arbor has grappled with the effects of sharply rising land values, gentrification, and urban sprawl stretching into outlying countryside. On 4 November 2003, voters approved a greenbelt plan under which the city government bought development rights on agricultural parcels of land adjacent to Ann Arbor to preserve them from sprawling development. Since then, a vociferous local debate has hinged on how and whether to accommodate and guide development within city limits. Ann Arbor consistently ranks in the "top places to live" lists published by various mainstream media outlets every year. In 2008, it was ranked by CNNMoney.com 27th out of 100 "America's best small cities". And in the year 2010, Forbes listed Ann Arbor as one of the most liveable cities in the United States of America.
What year was Ann Arbor listed 27th by Forbes?
A: unanswerable

Context and question: The 25,000 cotton growers in the United States of America are heavily subsidized at the rate of $2 billion per year although China now provides the highest overall level of cotton sector support. The future of these subsidies is uncertain and has led to anticipatory expansion of cotton brokers' operations in Africa. Dunavant expanded in Africa by buying out local operations. This is only possible in former British colonies and Mozambique; former French colonies continue to maintain tight monopolies, inherited from their former colonialist masters, on cotton purchases at low fixed prices.
What is the rate of subsidies of cotton growers in the US?
Answer: $2 billion per year

Question: Hunter-gatherers would eventually flourish all over the Americas, primarily based in the Great Plains of the United States and Canada, with offshoots as far east as the Gaspe Peninsula on the Atlantic coast, and as far south as Chile, Monte Verde.[citation needed] American hunter-gatherers were spread over a wide geographical area, thus there were regional variations in lifestyles. However, all the individual groups shared a common style of stone tool production, making knapping styles and progress identifiable. This early Paleo-Indian period lithic reduction tool adaptations have been found across the Americas, utilized by highly mobile bands consisting of approximately 25 to 50 members of an extended family.
Is there an answer to this question: There were very few regional variations in lifestyles among which group?

Answer: unanswerable

In September 2008, the crisis hit its most critical stage. There was the equivalent of a bank run on the money market funds, which frequently invest in commercial paper issued by corporations to fund their operations and payrolls. Withdrawal from money markets were $144.5 billion during one week, versus $7.1 billion the week prior. This interrupted the ability of corporations to rollover (replace) their short-term debt. The U.S. government responded by extending insurance for money market accounts analogous to bank deposit insurance via a temporary guarantee and with Federal Reserve programs to purchase commercial paper. The TED spread, an indicator of perceived credit risk in the general economy, spiked up in July 2007, remained volatile for a year, then spiked even higher in September 2008, reaching a record 4.65% on October 10, 2008.
If it is possible to answer this question, answer it for me (else, reply "unanswerable"): When did the financial crisis hit its most critical stage?
Ah, so..
September 2008