Given a question, generate a paraphrase of that question wihout changing the meaning of it. Your answer should reword the given sentence, but not add information to it or remove information from it. The answer to your question should be the same as the answer to the original question.

[Q]: Question: which is the highest single mountain peak in the world?
[A]: what is the world's mountain peak?


[Q]: Question: name all british players who played for barcelona?
[A]: what british players have played for barcelona?


[Q]: Question: in what year did canada join the united nations?
[A]:
what did canada join the united nations?