In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Q: The most important mineral product of northern chile is?

A: copper
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Q: When did the last person from the titanic die?

A: May 31, 2009
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Q: Where does the last name salinas originate from?

A:
Spain
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