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\*.

[EX Q]: when were air brakes first used on trucks
[EX A]: the early 20th century

[EX Q]: when does new bob's burgers come out
[EX A]: on October 1, 2017

[EX Q]: when did france and great britain declare war on germany
[EX A]:
3 September 1939