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: Eight furlongs are equal to what standard length?
Example Output: 1 mile

Example Input: Who played vince vaughn's wife in couples retreat?
Example Output: Malin Maria Åkerman

Example Input: Where does the phrase go set a watchman come from?
Example Output:
Bible verse Isaiah 21:6