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: Charlie Chaplin who died on Christmas Day in 1977, co founded which film studio along with Mary Pickford, Douglas Fairbanks?

Answer: douglas fairbanks


Question: With which other cricketer does James Anderson hold the England record for the most successful bowler/wicket keeper combination with 68 wickets?

Answer: cricket


Question: Which author's books include the titles 'Body of Evidence', 'Post Mortem' and 'Predator'?

Answer:
body of evidence