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 biggest nba contract in history?
Example Output: James Harden

Example Input: Where are sister chromatids attached to one another?
Example Output: common centromere

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