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 the original version of tennessee whiskey?
Example Output: David Allan Coe

Example Input: When did royal mail and post office split?
Example Output: 1 April 2012

Example Input: Who plays dr. hart on hart of dixie?
Example Output:
Rachel Bilson