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.

Context : Cristina Dinu (born 18 January 1993 in Bucharest) is a professional Romanian tennis player. 
Question : What city is Cristina Dinu associated with?
residence

Context : Chorus Gentlemen is a Canadian music television series which aired on CBC Television from 1965 to 1967. 
Question : On what channel did Chorus Gentlemen first appear?
original network

Context : Our Friends in the North helped to establish the careers of its four lead actors, Daniel Craig, Christopher Eccleston, Gina McKee and Mark Strong; for Craig in particular, his part in the serial has been referred to as his breakthrough role. 
Question : What network hosts Our Friends in the North?

original network