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: Lopburi, Phichit and Ang Thong are provinces in which Asian country?

Answer: phichit


Question: Which singer provides the voice for Chef in South Park?

Answer: chef


Question: Who did boxer Floyd Patterson defeat to regain the Heavyweight Championship in June 1960?

Answer:
boxing