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 wrote the words to abide with me?
[A]: Who wrote the words to abide with me in 1847?


[Q]: When did the welfare system began in the us?
[A]: When did the first major federal welfare agency began in the us?


[Q]: Where is the oldest living tree in the united states?
[A]:
Where is the oldest individual living tree in the united states?