In this task, You are given an open-domain question that can be answered based on factual information. Your task is to provide \*short\* answer (in a few words only) for the given question. The short answer can be one or more entities or it can also be boolean \*yes\* or \*no\*.

Example Input: when did mount saint helens blow its top
Example Output: May 18, 1980

Example Input: who sang the songs in the movie burlesque
Example Output: Christina Aguilera

Example Input: which country won the maximum number of gold medals at the london olympics 2012
Example Output:
United States