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\*.

when did 'open era' began in tennis
1968

who was the first team to win the scottish cup
Queen's Park

when did the song staying alive come out

13 December 1977