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

[EX Q]: Context : ''Intro to Knots'' is the tenth episode of the fourth season of the NBC sitcom Community, which originally aired on April 18, 2013.
Question : Which series is Intro to Knots apart of?
[EX A]: Community

[EX Q]: Context : Educating Yorkshire is a British documentary television programme broadcast on Channel 4.
Question : What channel aired Educating Yorkshire?
[EX A]: Channel 4

[EX Q]: Context : Marco Alvan is the head Brazilian Jiu Jitsu instructor for Team Link in Ludlow, Massachusetts.
Question : What city is Marco Alvan from?
[EX A]:
Ludlow