instruction:
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.
question:
When did the beatles stop touring and why?
answer:
When did the Beatles stop touring?


question:
When did britain give hong kong to china?
answer:
At what time did britain give hong kong to china?


question:
Who won the 2018 pikes peak hill climb?
answer:

Who won the 2018 pikes peak hill climb overall?