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: Arthur Conan Doyle  question:  what was arthur conan doyle famous for?
['Sherlock Holmes']

concept: John Glenn  question:  what year did john glenn walk on the moon?
['1976 Democratic National Convention']

concept: Barack Obama  question:  when was barack obama elected president?

1/10/2011