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: When did arches national park become a national park?
Example Output: November 12, 1971

Example Input: How many mammal species live wild in ireland today?
Example Output: 60

Example Input: Which brazilian president ordered the construction of brasilia?
Example Output:
Juscelino Kubitschek