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:
Why would a recrystallization need to be done?
answer:
Why would recrystallization need to be done in chemistry?


question:
Who owns the san diego padres baseball team?
answer:
What individual is the face of owernship for the san diego padres baseball team?


question:
When were the olympic games held in china?
answer:

When were the Summer Olympics held in China?