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]: there are currently how many sitting members on the us supreme court
[A]: 9


[Q]: when is the world population expected to reach 8 billion
[A]: 2024


[Q]: who wrote i want you to want me
[A]:
Rick Nielsen