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.

Example Input: Question: who is prince williams mom?
Example Output: what was prince william's moms name?

Example Input: Question: what is the current human population of japan?
Example Output: what was the current population of japan?

Example Input: Question: who played sirus black in harry otter movies?
Example Output:
who played sirius black in the harry potter movies?