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.

[Q]: What airline has its hub in charlotte nc?
[A]: What major airline has its hub in charlotte nc?


[Q]: When is the peach bowl played this year?
[A]: When is the peach bowl played in 2016?


[Q]: Which channel in youtube has the most subscribers?
[A]:
What was the Youtube channel with the most subscribers as of December 23, 2013?