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 do the live shows start for agt?

SOLUTION: When do the live shows start for agt in 2017?

PROBLEM: Who wrote the hymn on christ the solid rock i stand?

SOLUTION: Who wrote the text of the hymn On Christ the Solid Rock I Stand?

PROBLEM: Who is the mother in how i met your mom?

SOLUTION:
Who is the character that is the mother in how i met your mom?