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: Bell, Wax, Jalapeno, Habanero and Poblano are types of which fruit, (which some think is a vegetable)?

Answer: chili pepper


Question: In the Shakespeare play 'Macbeth', which character carries Macbeth's head on stage?

Answer: macduff


Question: In which London park does the annual Frieze Art Fair take place?

Answer:
regent's park