instruction:
In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
question:
Context: first published in 2005 by RedOctane and Harmonix, Link Information: none Answer: none
answer:
Are the two publishers of Guitar Hero headquartered in the same state?


question:
Context: At the start of the Second World War before the US entered the war, there were a large number of American volunteers offering their services. No. 71 was formed at RAF Church Fenton on 19 September 1940 with Brewster Buffalos Link Information: Royal Air Force Church Fenton or RAF Church Fenton was a former Royal Air Force (RAF) station located south east of Tadcaster, North Yorkshire, England Answer: England
answer:
In what country was No. 71 formed?


question:
Context: New Prime Minister Nawaz Sharif acknowledged his country's nuclear capability on 7 September 1997. Link Information: Nawaz Sharif became the 12th Prime Minister of Pakistan on 1 November 1990 Answer: 6
answer:

How long had Nawaz Sharif been in power as the Prime Minister when he acknowledged his country's nuclear capabilities?