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.
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Question: Who constructed the suez canal and when was it finished?

Answer: Who is the company that constructed the suez canal?


Question: When did the springbok tour start and end?

Answer: When did the Springbok's arrive in New Zealand?


Question: Who is the most winning driver in nascar?

Answer:
Who is the most winning driver in nascar as of 2017?