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\*.

how long have the ravens been a team
22 years

who had the highest batting average for the 1980 phillies
Bake McBride

when did india gain independence from british rule

15 August 1947