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.

Who is the highest ranked golfer in the world?
Who is the highest ranked golfer in the world on February 19, 2017?

When did the first episode of phineas and ferb come out?
When did the first one-episode preview of phineas and ferb come out?

Who were the hosts of america got talent?

Who judged season 13 of America's got talent?