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: when is kristen steward birthday?
[A]: when kristen steward brith?


[Q]: Question: when did frederick douglass mom die?
[A]: when did the mother of frederick douglass die?


[Q]: Question: what is the largest city by population in europe?
[A]:
what is the city with the biggest population in europe?