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 won the most world cup in cricket?

SOLUTION: Which country won the most world cup in cricket?

PROBLEM: When did what happened to monday come out?

SOLUTION: When did the film What Happened to Monday come out in Locarno Festival?

PROBLEM: Who wrote the screenplay for harry potter movies?

SOLUTION:
Who wrote the screenplay for Harry Potter movies 1-4 and 6-8?