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: Mcdonalds  question:  who started up mcdonalds?
[A]: ['Ray Kroc']


[Q]: concept: Olympic Games  question:  when were women allowed to go to the olympics?
[A]: ['The complete book of the Winter Olympics']


[Q]: concept: Mekong  question:  what country is the mekong river located in?
[A]:
Thailand, Vietnam, Cambodia, Laos