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 does ripper street start on bbc 2
[A]: 22 August 2016


[Q]: the shortest distance between two points on the earth's surface is
[A]: great-circle distance


[Q]: who sold more records the beatles or rolling stones
[A]:
The Beatles