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 Input:
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?

Ex Output:
series


Ex Input:
Context : ``At the request of Knox Burger, then at Fawcett, I attempted a series character. I took three shots at it to get one book with a character I could stay with. That was in 1964. Once I had the first McGee book, The Deep Blue Good-by, they held it up until I had finished two more, Nightmare in Pink and A Purple Place for Dying, then released one a month for three months. That launched the series.'' 
Question : Which show does The Deep Blue Good-by appear on?

Ex Output:
series


Ex Input:
Context : Attakathi (Tamil: அட்டகத்தி ; English: Card Board Knife ) is a 2012 Indian Tamil romantic comedy film written and directed by Pa. 
Question : The director of Attakathi is who?

Ex Output:

director