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: where was ex on the beach season 4 filmed

SOLUTION: Portugal

PROBLEM: how long until a sunburn starts to peel

SOLUTION: 3 to 8 days

PROBLEM: who plays professor proton on big bang theory

SOLUTION:
Bob Newhart