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\*.

[Q]: what beatles song did u2 cover on rattle and hum
[A]: "Helter Skelter"


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


[Q]: when was the last time the lightning went to the stanley cup
[A]:
2015