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]: When does major league baseball start the regular season?
[A]: When does the 2017 MLB regular season start?


[Q]: Who sings the song what does the fox say?
[A]: Who is the music group that sings the song what does the fox say?


[Q]: Many immigrants move to the united states each year. where do most immigrants come from today?
[A]:
Many immigrants move to the united states each year. Which country do most immigrants come from in 2017?