Definition: 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 : Bram van der Stok, MBE (30 October 1915 -- 8 February 1993), also known as Bob van der Stok, was a World War II fighter-pilot, and is the most decorated aviator in Dutch history.
Answer : World War II
Output:
Which war was Bram van der Stok a part of?