TASK DEFINITION: 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.
PROBLEM: Context : Christian de Boissieu received a Ph. D in economics in 1973 at the University of Paris-I Panthéon-Sorbonne. 
Question : What is the name university that educated Christian de Boissieu?

SOLUTION: educated at

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

SOLUTION: sex or gender

PROBLEM: Context : The Heiress at Coffee Dan's is a 1916 silent comedy-drama film starring Bessie Love, directed by Edward Dillon. 
Question : What is the name of the director of The Heiress at Coffee Dan's?

SOLUTION:
director