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: What percentage of england died from the black plague?

Answer: What percentage of england died from the black plague of 1348 according to Philip Daileader?


Question: What were the two sides of the revolutionary war called?

Answer: What were the two sides of the revolutionary war?


Question: When did the us adopt the electoral college?

Answer:
When did the us adopt the electoral college at the Constitutional Convention of 1787?