Instructions: 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.
Input: Context : Ernst Lucht (27 February 1896 -- 2 November 1975) was a Konteradmiral with the Kriegsmarine during World War II and a recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes).
Answer : World War II
Output:
What war or battle involved Ernst Lucht?