TASK DEFINITION: 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.
PROBLEM: Who played count dooku in star wars the clone wars?

SOLUTION: Who played count dooku in star wars the clone wars tv series in 2003?

PROBLEM: Who turned the hagia sophia into a mosque?

SOLUTION: Who is the group that turned the hagia sophia into a mosque?

PROBLEM: Who headlined the first ever glastonbury festival in 1970?

SOLUTION:
Who were originally supposed to headline the first ever glastonbury festival in 1970?