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.

Context : Knights of Xentar is a humorous JRPG eroge (meaning it has erotic content). 
Question : To which series does Knights of Xentar belong?
series

Context : Jean Hazlewood died of Alzheimer's disease in Santa Barbara, California, at the age of 80. 
Question : Which medical condition does Jean Hazlewood suffer from?
medical condition

Context : Gregg Bishop grew up in Powder Springs, Georgia and started making movies with his father's Super 8 film cameras when he was 7 years old. 
Question : What was Gregg Bishop's occupation?

occupation