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\*.

[EX Q]: who sang don't go chasing waterfalls first
[EX A]: Marqueze Etheridge

[EX Q]: who's the lead singer of the doobie brothers
[EX A]: Tom Johnston

[EX Q]: list of all ivy league schools in u.s
[EX A]:
Yale University