Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : James S. Roantree (1835 -- February 24, 1873) was a sergeant serving in the United States Marine Corps during the American Civil War who received the Medal of Honor for bravery.
Question : What award was received by James S. Roantree?
[EX A]: Medal of Honor

[EX Q]: Context : Sunil Shroff is a urologist and transplant surgeon from India.
Question : What was Sunil Shroff's occupation?
[EX A]: urologist

[EX Q]: Context : Wagon Train is an American Western series that ran on NBC 1957--62 and then on ABC 1962--65, although the network also aired daytime repeats, as Major Adams, Trailmaster and Trailmaster (post-1961 episodes without original series lead Ward Bond), from January 1963 to September 1965.
Question : What was the original network for Wagon Train?
[EX A]:
NBC