Q: 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.
Context : Albin Wolf (28 October 1920 -- 2 April 1944) was a German World War II Luftwaffe flying ace and posthumous recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub).
Answer : World War II
A:
What war or battle did Albin Wolf fight in?