Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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Question: The song Don't Rain On My Parade features in which musical?

Answer: don't rain on my parade

Question: Which instrument was Benny Goodman famous for playing?

Answer: benny goodman

Question: Who reached No.1 in the UK charts in 1977 with 'Don't cry for me, Argentina ' ?

Answer:
don't cry for me argentina