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:
When did gender testing of female olympic athletes begin?
answer:
When did gender testing of female olympic athletes first begin?


question:
Who has won most national championships college football?
answer:
Who claims to have won most national championships in college football?


question:
What is the speed of light in km?
answer:

What is the theoretical speed of light (c) in km/s?