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 : Horror of Fang Rock was a late replacement for the scripts Terrance Dicks had originally submitted, a vampire-based tale entitled The Vampire Mutations, which was cancelled close to production as it was feared it could detract from the BBC's Count Dracula a high-profile adaptation of Bram Stoker's classic novel Dracula, which was due for transmission close to when the serial would have aired. 
Question : Which series was Horror of Fang Rock in?
[EX A]: series

[EX Q]: Context : Alain Robbe-Grillet was elected a member of the Académie française on 25 March 2004, succeeding Maurice Rheims at seat No. 32. 
Question : What was the date of death for Alain Robbe-Grillet?
[EX A]: date of death

[EX Q]: Context : John Willoughby Gray (5 November 1916 -- 13 February 1993) was an English actor of stage and screen. 
Question : What was the date of death of Willoughby Gray?
[EX A]:
date of death