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 was mary shelley's frankenstein first published?
Example Output: 1 January 1818

Example Input: Are radio waves electromagnetic waves or sound waves?
Example Output: electromagnetic waves

Example Input: Where do springs form with respect to the water table?
Example Output:
when the water table reaches the surface