TASK DEFINITION: Generate a correct and concise answer for the question based on the words in the context.
PROBLEM: Context : Todd Bergen (born July 11, 1963) is a retired Canadian professional ice hockey centre who had a short-lived career, most notably with the Philadelphia Flyers of the National Hockey League in 1984--85. 
Question : What team is Todd Bergen associated with?

SOLUTION: Philadelphia Flyers

PROBLEM: Context : Solar Pons is a fictional detective created by August Derleth as a pastiche (imitation) of Arthur Conan Doyle's Sherlock Holmes. 
Question : The Solar Pons is based upon what?

SOLUTION: Sherlock Holmes

PROBLEM: 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?

SOLUTION:
NBC