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: Darth Vader  question:  who was the voice of darth vader in episode iii?

Ex Output:
['Hayden Christensen']


Ex Input:
concept: Virgin America  question:  what type of aircraft does virgin america use?

Ex Output:
['Airbus A319', 'Airbus A320']


Ex Input:
concept: Major League Baseball  question:  how much mlb teams are there?

Ex Output:

Baltimore Orioles, New York Mets, Los Angeles Dodgers, San Diego Padres, Detroit Tigers, San Francisco Giants, Milwaukee Brewers, Tampa Bay Rays, New York Yankees, Chicago Cubs