In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

[Q]: Who played roxy in the story of tracy beaker?
[A]: Sophie Borja


[Q]: Where did the phantom of the opera play in toronto?
[A]: Pantages Theatre


[Q]: When did construction commenced of st peter basilica?
[A]:
April 18, 1506