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 the washington capitals last win a stanley cup?
Example Output: June 7, 2018

Example Input: Who played jack will in the movie wonder?
Example Output: Noah Casford Jupe

Example Input: Who was the first scientist who produce electromagnetic waves in a laboratory?
Example Output:
Heinrich Rudolf Hertz