In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.

Q: Who has the second most wins at daytona international speedway?

A: Who is the driver that has the second most wins at daytona international speedway? 
 Cale Yarborough
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Q: Where does south africa's water come from?

A: What rivers does south africa's water come from? 
 Olifants River
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Q: Who was the individual who is credited with establishing the size of earth?

A:
Who was the individual who is credited with establishing the size of earth around 240 BC? 
 Eratosthenes of Cyrene
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