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 country has a black yellow and orange flag
Belgium

who won the most college football national championships
Princeton

who is the actor that plays the green arrow

Stephen Adam Amell