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: How many 10 cards are in a deck of 52 cards?

A: 4
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Q: Where does the water come from for victoria falls?

A: Zambezi River
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Q: Who was the emperor of mexico who was overthrown in 1823?

A:
Agustín de Iturbide
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