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.

Example Input: Who did the united states acquire texas from?
Example Output: Mexico

Example Input: Who played robin's mother on how i met your mother?
Example Output: Tracey Ullman

Example Input: Who plays the grown up brahms in the boy?
Example Output:
James Russell