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]: Who sings peep and the big wide world theme song?
[EX A]: Taj Mahal

[EX Q]: When did star spangled banner became the national anthem?
[EX A]: March 3, 1931

[EX Q]: How many episodes are in season 4 of agents of shield?
[EX A]:
22