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.

Ex Input:
concept: Lena River  question:  where does lena river begin and end?

Ex Output:
['Baikal Mountains']


Ex Input:
concept: John Fox 1955  question:  who did john fox coach for?

Ex Output:
['Denver Broncos']


Ex Input:
concept: Gerald Ford  question:  what did gerald ford die of?

Ex Output:

Cardiovascular disease