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: who was the governor general of india during 1857

A: The Viscount Canning
****
Q: when did angel leave buffy the vampire slayer

A: 1999
****
Q: a type of variation such that as one variable increases the other decreases

A:
inverse proportionality
****