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: Who played Lionel Hardcastle in the TV series 'As Time Goes By'?

Answer: as time goes by


Question: Pirate Edward Teach was better known by what nickname?

Answer: edward teach


Question: Who won a (then) record seven gold medals at the 1972 Olympic Games at Munich?

Answer:
1972 summer olympics