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 has the best winning percentage in college football history?
Example Output: Michigan

Example Input: Who is the original singer of nothing compares to you?
Example Output: Prince Rogers Nelson

Example Input: When did abuja became the capital of nigeria?
Example Output:
12 December 1991