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.

Input: Consider Input: What's the zip code for o'fallon missouri?

Output: 63366, 63368


Input: Consider Input: Who is known as the father of strategy management?

Output: Harry Igor Ansoff


Input: Consider Input: Who plays agent romanoff in iron man 2?


Output: Scarlett Johansson