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:
Who has won more trophies chelsea or manchester united?
answer:
Who has won more premier league trophies chelsea or manchester united?


question:
Who is the new lead singer of foreigner?
answer:
Who is the new lead singer of foreigner that joined in 2005?


question:
When did brown v board of education take place?
answer:

When did brown v board of education become decided by the Supreme Court?