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\*.

Q: when did 'open era' began in tennis

A: 1968
****
Q: who is paige on days of our lives

A: True O'Brien
****
Q: what is the top sport in the usa

A:
American football
****
