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 invented the system of latitudes and longitudes in 2nd century a.d?
answer:
Who invented the system of latitudes and longitudes, measuring latitudes using the island of Rhodes in 2nd century a.d?


question:
What is the attendance of the indianapolis 500?
answer:
What is the attendance of the original indianapolis 500?


question:
Who made must be love on the brain?
answer:

Who sang love on the brain?