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: last time philadelphia eagles been in the super bowl

SOLUTION: 2017

PROBLEM: what are the ghost's name in pacman

SOLUTION: Clyde

PROBLEM: who won the battle of antietam union or confederate

SOLUTION:
Union