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\*.
--------
Question: when does ripper street start on bbc 2

Answer: 22 August 2016


Question: what are four functions of the cell or plasma membrane

Answer: controls the movement of substances


Question: where will the next olympics be held 2018

Answer:
Pyeongchang County, South Korea