Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Q: Which Dutchman managed both Newcastle and Chelsea in the 1990s?

A: chelsea f.c.
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Q: With what sport is Dennis Compton associated?

A: denis compton
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Q: David McCallum played the character Dr Daniel Westin in which TV series?

A:
david mccallum
****