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: How many series are there of the mentalist?
Example Output: 7

Example Input: When does the new transformers come out in the uk?
Example Output: June 18, 2017

Example Input: Who wrote the hymn how firm a foundation?
Example Output:
probably Robert Keen(e)