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

Context : Los Premios de la Radio (The Radio Awards) nominated Roberto Tapia as Artist of the year, male artist of the year and the best song with banda ``Mirando al Cielo'' in 2012. 
Question : What gender was Roberto Tapia?
sex or gender

Context : Relaciones peligrosas (English: Dangerous Affairs), originally known as Física o Química (Physics or Chemistry), is an American Spanish-language telenovela produced by Telemundo Studios, Miami. 
Question : The Relaciones peligrosas is based upon what?

based on