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.
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Question: When did star spangled banner became the national anthem?

Answer: March 3, 1931


Question: What is the new link that joins the atlantic and pacific?

Answer: Panama Canal


Question: What season is crisis on earth x part 1?

Answer:
3