instruction:
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.
question:
Context : North Tonight was a Scottish nightly regional news programme covering the North of Scotland, produced by STV North (formerly Grampian Television). 
Question : Which network broadcasted North Tonight?
answer:
original network


question:
Context : For decades only Episode 3 of The Enemy of the World was known to have survived erasure, but the five missing episodes were announced as recovered by the BBC on 11 October 2013 along with four of the missing episodes of the following serial, The Web of Fear. 
Question : To which series does The Enemy of the World belong?
answer:
series


question:
Context : William Bainbridge was born in Princeton, New Jersey, eldest son of Dr. Absalom Bainbridge and Mary (Taylor) Bainbridge. 
Question : What military was William Bainbridge a part of?
answer:

military branch