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 of the wives of Henry VIII was born in Madrid in 1485?

Answer: catherine of aragon


Question: What is the name of Thomas Anderson's (played by Keanu Reeves) alter ego in the 1999 film 'The Matrix'?

Answer: neo


Question: Who plays the title role in the 2008 film 'Iron Man'?

Answer:
robert downey, jr.