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 wrote the story the wizard of oz

SOLUTION: L. Frank Baum

PROBLEM: when did harry potter and the philosopher's stone movie come out

SOLUTION: 16 November 2001

PROBLEM: who won the mens curling in 2018 olympics

SOLUTION:
United States