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: When did witney carson start dancing with the stars?

SOLUTION: When did Witney Carson start as a troupe dancer with Dancing With The Stars?

PROBLEM: Who's won the most fa cup's?

SOLUTION: What team won the most fa cup's?

PROBLEM: Who did matthew gray gubler play in batman assault on arkham?

SOLUTION:
Which villain did Matthew Gray Gubler play in Batman Assault on Arkham?