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\*.

what are the 3 types of plays that shakespeare wrote
history

who is the president of the united states 2016
Barack Obama

when were subs first used in english football

as early as the 1850s