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 English classic horse race for 3 year olds held at Doncaster every September began in 1776?

Answer: doncaster racecourse

Question: Which of the American Idol judges has been there for all 10 seasons?

Answer: american idol

Question: Who directed The Cable Guy?

Answer:
the cable guy