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: Who was the wife of King Henry III of England?

Answer: eleanor of provence


Question: Who played detective Virgil Tibbs in the 1967 film 'In the Heat of the Night'?

Answer: sidney poitier


Question: Who is generally credited with the invention of the hovercraft in 1955?

Answer:
christopher cockerell