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: John F Kennedy  question:  who became president when jfk was killed?

Ex Output:
['Lyndon B. Johnson']


Ex Input:
concept: Baltic Sea  question:  which countries border the baltic sea?

Ex Output:
['Atlantic Ocean', 'East Prussia', 'Pomeranian Voivodeship - II RP', 'Free City of Danzig', 'Second Polish Republic', 'North German Plain']


Ex Input:
concept: Sydney  question:  when is summer in australia sydney?

Ex Output:

City of Sydney