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 : Columbus Nova is an investment company founded in 2000 and centered in New York City. 
Question : Which company is the parent company of Columbus Nova?
answer:
parent company


question:
Context : Bill Tarmey (born William Piddington; 4 April 1941 -- 9 November 2012) was an English actor, singer and author, best known for playing Jack Duckworth in the soap opera Coronation Street. 
Question : What kind of  occupation does Bill Tarmey have?
answer:
occupation


question:
Context : À l'ombre des derricks is a Lucky Luke comic written by Goscinny and illustrated by Morris. 
Question : What is the series called that À l'ombre des derricks belongs to?
answer:

series