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

Answer: chelsea f.c.


Question: Which Irish boxer was nicknamed the Clones Cyclone?

Answer: boxing


Question: Which US city hosted the 2002 Winter Olympic Games?

Answer:
2002 winter olympics