In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

[EX Q]: What children's book was set in camp green lake texas?
[EX A]: Holes

[EX Q]: How many episodes in seal team season 1?
[EX A]: 22

[EX Q]: Who is credited for the identification of operant conditioning?
[EX A]:
B. F. Skinner