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:
What is the most famous part of the sistine chapel?
answer:
What are the most famous frescos of the sistine chapel?


question:
Who makes the rules for house and senate?
answer:
Who makes the rules for U.S. house?


question:
When did the astros become an american league team?
answer:

What year did the astros become an american league team?