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 the song american pie come out?
answer:
When was the original release date for the song American Pie?


question:
When did the song copperhead road come out?
answer:
When did the song copperhead road by Steve Earle come out?


question:
What is the population of mecklenburg county nc?
answer:

What was the population of Mecklenburg county, NC as of 2010?