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.

[EX Q]: Who sang for debra kerr in an affair to remember?
[EX A]: Margaret Nixon McEathron

[EX Q]: Who plays robin in batman dark knight rises?
[EX A]: Batman's sidekick does not appear in Dark Knight Rises

[EX Q]: What is the name of sasuke's sharingan?
[EX A]:
Mangekyo Sharingan