In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.

Q: Who has the fastest selling album of all time?

A: What is the fastest selling album of all time in Canada?
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Q: When did the earth and solar system form?

A: When did the Solar System form?
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Q: When was the cathedral of santiago de compostela built?

A:
When did construction start on the cathedral of santiago de compostela?
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