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 : Erik Bruhn died in Toronto General Hospital on 1 April 1986 at the age of 57. 
Question : What sex is Erik Bruhn?
answer:
sex or gender


question:
Context : Marketa Kimbrell died of complications from Alzheimer's disease on July 6, 2011, in Sykesville, Maryland, aged 82. 
Question : Which medical condition does Marketa Kimbrell suffer from?
answer:
medical condition


question:
Context : A number of reviews for this second novel have praised the work: ``The tangible, if not excessively gritty, realness of the world and its conflicts denies any simple good vs. evil binary'' ``Rise of a Hero is an ambitious, tightly written and highly intelligent fantasy'' 
Question : Which series is Rise of a Hero apart of?
answer:

series