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 sang this old house in the 1950s?
Example Output: Rosemary Clooney

Example Input: What is the country of siam called today?
Example Output: Thailand

Example Input: He phrase survival of the fittest was coined by?
Example Output:
Herbert Spencer