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: Journal of optics a pure and applied optics abbreviation?
Example Output: J. Opt.

Example Input: Where does implantation of the blastocyst take place?
Example Output: wall of the uterus

Example Input: Which film did matthew mcconaughey win an oscar?
Example Output:
Dallas Buyers Club