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 did top gear build the bridge in thailand

SOLUTION: over the Kok River

PROBLEM: star cast of fantastic beast and where to find them

SOLUTION: Jon Voight

PROBLEM: what was the biggest mass extinction in geologic time

SOLUTION:
Permian–Triassic extinction event