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.

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 wrote i wasn't born to follow?
Who wrote the 1992 song i wasn't born to follow?

Where is the pac 12 football championship played?

Where is the PAC12 Football Championship played in 2017?