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: Where on Prince Edward Island, Canada, is Anne of Green Gables located?

Answer: canada


Question: Which former Portuguese African Colony joined the British Commonwealth in 1995?

Answer: commonwealth of nations


Question: Controversy at the Oscars - Which film director created a stir at the 2003 Oscar ceremony There was a loud and prolonged booing after he won the award for best documentary for his film Bowling for Columbine, because in his acceptance speech he had delivered a tirade of abuse against George Bush.?

Answer:
bowling for columbine