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 beat one direction to win x factor?
Example Output: Matt Cardle

Example Input: What is the capital city of northern island?
Example Output: What is the capital city of Northern Ireland?

Example Input: Who plays killian jones on once upon a time?
Example Output:
Colin Arthur O'Donoghue