instruction:
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:
how many times have ajax won the european cup
answer:
four


question:
when does ripper street start on bbc 2
answer:
22 August 2016


question:
where do filtration secretion and reabsorption take place
answer:

kidney