TASK DEFINITION: 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\*.
PROBLEM: who wins the fight between achilles and hector

SOLUTION: Hector

PROBLEM: who's the lead singer of the doobie brothers

SOLUTION: Tom Johnston

PROBLEM: who built the rio hotel in las vegas

SOLUTION:
Marnell Corrao Associates