Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

Ex Input:
Context : Swiss Private Aviation AG was a fully owned subsidiary of Swiss International Air Lines providing executive jet services as well as aircraft management and commercial charter services on behalf of its parent company.
Answer : Swiss International Air Lines

Ex Output:
What is Swiss Private Aviation's parent company?

Ex Input:
Context : Second Brother is a novel by the American writer David Guy set in 1960s Pittsburgh, Pennsylvania.
Answer : Pittsburgh

Ex Output:
Which place is Second Brother in?

Ex Input:
Context : Wolf-Dietrich Wilcke (11 March 1913 -- 23 March 1944) was a German Luftwaffe pilot during World War II, a fighter ace credited with 162 enemy aircraft shot down in 732 combat missions.
Answer : World War II

Ex Output:
Which war did Wolf-Dietrich Wilcke serve in?