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 : Directed by Tom Cherones, ``The Ex-Girlfriend'' was the first episode of the show filmed at CBS Studio Center in Los Angeles, California, the previous season having been filmed at Desilu Cahuenga in Hollywood. 
Question : What series is The Ex-Girlfriend from?
[EX A]: series

[EX Q]: Context : He created the Christopher Reeve Foundation (currently known as the Christopher and Dana Reeve Foundation) to speed up research through funding, and to use grants to improve the quality of the lives of people with disabilities. 
Question : What is Christopher Reeve's spouse's name?
[EX A]: spouse

[EX Q]: Context : Boston Charley (1854 -- October 3, 1873) was a warrior in the Modoc War of 1872. 
Question : For what crime was Boston Charley prosecuted?
[EX A]:
convicted of