Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.

[Q]: concept: Vernon Davis  question:  what position does vernon davis play?
[A]: ['Tight end']


[Q]: concept: Brian Williams  question:  where does brian williams live?
[A]: ['Ridgewood']


[Q]: concept: Abraham Lincoln  question:  who was lincoln's vice president when he died?
[A]:
Andrew Johnson