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 do you play as in battlefront 2 campaign?

Answer: Who do you primarily play as in the 2017 battlefront 2 campaign?


Question: When did the voting age change from 21 to 18?

Answer: When did the debate begin to lower the voting age from 21 to 18?


Question: When did they limit president to 2 terms?

Answer:
When did Congress approve the amendment to limit presidential terms to 2 terms?