instruction:
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.
question:
Who demonstrated that a reflex could be conditioned to a neutral stimulus?
answer:
Who is best-known for demonstrating that a reflex could be conditioned to a neutral stimulus?


question:
Who sings in spite of ourselves with john prine?
answer:
Who sings on the album spite of ourselves with john prine?


question:
Who played the grandmother on one day at a time?
answer:

Who played the grandmother on the 2017 TV series One Day at a Time?