Classify the relation of question with context to one of these categories: 1) award received, 2) based on, collection, 3) conflict, 4) constellation, 5) convicted of, 6) date of death, 7) director, 8) drafted by, 9) educated at, 10) medical condition, 11) military branch, 12) narrative location, 13) occupation, 14) original network, 15) parent company, 16) point in time, 17) production company, 18) residence, 19) series, 20) service entry, 21) sex or gender, 22) spouse, 23) standards body question.

[EX Q]: Context : ``Cha-Ka'' is the first episode of the first season of the 1974 American television series Land of the Lost. 
Question : What is the series that Cha-Ka is a part of?
[EX A]: series

[EX Q]: Context : Born in Garden City, in Long Island, New York, Paul Zaloom was educated at The Choate School (now Choate Rosemary Hall) in Wallingford, Connecticut, and began his entertainment career at Goddard College with artists in residence the Bread and Puppet Theater, a troupe specializing in self-invented, home-made theatre. 
Question : What is the university where Paul Zaloom went?
[EX A]: educated at

[EX Q]: Context : Filmed primarily in Canada with a Canadian director (Ted Kotcheff), Switching Channels features many popular Canadian character actors in supporting roles: 
Question : The Switching Channels is based upon what?
[EX A]:
based on