Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
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Question: Which Hindu deity has the head of an elephant?

Answer: ganesha


Question: What is the main ingredient of hummus?

Answer: chickpea


Question: Which 1935 film of a Tolstoy tragedy starred Greta Garbo?

Answer:
anna karenina