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\*.

what is joy's job in what happens in vegas
equity trader

who is the longest serving director of isro
Dhawan, Satish

what native american tribe lived in the grand canyon

The Havasupai people