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 elects the national people's congress in china?
Example Output: multi-tiered representative electoral system

Example Input: What flag has a blue triangle and red and white stripes?
Example Output: Puerto Rico and Ohio

Example Input: When was the three point line invented in college basketball?
Example Output:
1945