instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
Context : The Smothers Brothers Comedy Hour was an American comedy and variety show television series hosted by the Smothers Brothers and initially airing on CBS from 1967 to 1969.
Question : What is the original channel that The Smothers Brothers Comedy Hour played on?
answer:
CBS

question:
Context : Arthur MacArthur III (June 1, 1876 -- December 2, 1923) was a United States Navy officer, whose active-duty career extended from the Spanish--
Question : What military branch did Arthur MacArthur III serve?
answer:
United States Navy

question:
Context : On 12 September 2012 at about 12:20 local time (00:20 UTC), Petropavlovsk-Kamchatsky Air Flight 251, operated by an Antonov An-28, crashed while attempting to land at Palana Airport in Russia.
Question : What was the date of Petropavlovsk-Kamchatsky Air Flight 251?
answer:
12 September 2012