Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context : Major General Courtney Whitney (May 20, 1897 - March 21, 1969) was an American lawyer and Army commander during World War II who later served as a senior official during the occupation of Japan.
Answer : World War II
Student:
Which war did Courtney Whitney serve in?