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.

concept: Indonesia  question:  when does ramadan end 2012 indonesia?
['Yayasan Kerti Praja']

concept: Brazil  question:  what currency does brazil use?
['Brazilian real']

concept: Soviet Union  question:  who was the leader of the soviet union in 1945?

Joseph Stalin