instruction:
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\*.
question:
who is rachel's baby daddy in friends
answer:
Ross


question:
who wrote his eye is on the sparrow song
answer:
Civilla D. Martin


question:
which is the most populous country in africa
answer:

Nigeria