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\*.

Ex Input:
when was the first plane used in war

Ex Output:
1911


Ex Input:
when was the last time a packers game ended in a tie

Ex Output:
September 16, 2018


Ex Input:
the united states today uses which kind of currency

Ex Output:

the dollar