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.

Q: Context : Philip Affleck (1726--1799) was an admiral in the Royal Navy. 
Answer : Royal Navy

A: What armed force did Philip Affleck serve in?
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Q: Context : Káťa Kabanová (also known in various spellings including Katia, Katja, Katya, and Kabanowa) is an opera in three acts, with music by Leoš Janáček to a libretto by Vincenc Červinka, based on The Storm, a play by Alexander Ostrovsky. 
Answer : The Storm

A: The Káťa Kabanová is based upon what?
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Q: Context : Alfred Grünberg (18 February 1902 in Magdeburg -- 21 May 1942 in Berlin) was a worker, a member of the Communist Party of Germany (KPD) and a resistance fighter against the Nazi régime. 
Answer : Magdeburg

A:
What city is Alfred Grünberg associated with?
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