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.

Who sang the original version of let it rain?
Eric Clapton

Who does the voice of linda belcher on bob's burgers?
John Roberts

Who played lex luthor in lois and clark?

John Shea