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]: names of the metropolitan municipalities in south africa
[A]: Mangaung Metropolitan Municipality


[Q]: what is the name of redmi y1 in china
[A]: Redmi Note 5A Prime


[Q]: who gave the concept of elasticity of demand
[A]:
Alfred Marshall