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 : The Bill was the longest-running police procedural television series in the United Kingdom until its cancellation, and was among the longest running of any British television series. 
Question : What network did The Bill originally appear on?
[EX A]: original network

[EX Q]: Context : Los Premios de la Radio (The Radio Awards) nominated Roberto Tapia as Artist of the year, male artist of the year and the best song with banda ``Mirando al Cielo'' in 2012. 
Question : What gender was Roberto Tapia?
[EX A]: sex or gender

[EX Q]: Context : The Sinclair Cambridge was a pocket-sized calculator introduced in August 1973 by Sinclair Radionics. 
Question : Which was the official year for the approval of Sinclair Cambridge?
[EX A]:
service entry