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]: Who is the highest ranked golfer in the world?
[A]: Who is the highest ranked golfer in the world on February 19, 2017?


[Q]: Who sang on evanescence bring me to life?
[A]: Who sang on Evanescence's song "Bring Me to Life"?


[Q]: Which african country has the highest rate of hiv?
[A]:
According to 2016 statistics, which african country has the highest rate of hiv for ages 15-49?