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.

When did arches national park become a national park?
November 12, 1971

What position did aaron judge play in football?
wide receiver

What is the name of a water tornado?

waterspout