In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.
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Question: when did the tv show swat come out

Answer: 1975


Question: who sings leaving on a jet plane lyrics

Answer: Peter, Paul and Mary


Question: who used to drive the 21 car in nascar

Answer:
Wood Brothers Racing