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 does the voice of doofenshmirtz on phineas and ferb?
Daniel Kingsley Povenmire

Who won in the world cup in russia?
France

When does darling in the franxx episode 23 come out?

June 30, 2018