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 plays black frost in the mighty boosh?
Dave Brown

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

Tanzania is the only country in the world with a unique gemstone called?

Tanzanite