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\*.

when did billy elliot the musical come out
2005

where does the white house get their christmas tree
various growers nationwide

when did they launch the international space station

1998