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.

[Q]: Context : Le Corsaire is a ballet typically presented in three acts, with a libretto originally created by Jules-Henri Vernoy de Saint-Georges loosely based on the poem The Corsair by Lord Byron. 
Question : The Le Corsaire is based upon what?
[A]: based on


[Q]: Context : William de St Croix was educated at Eton and St John's College, Cambridge, graduating in 1843. 
Question : What university did William de St Croix attend?
[A]: educated at


[Q]: Context : Due to the fact that Mainz Cathedral lay partially in ruins St. Peter's was chosen for the inauguration of bishop Joseph Ludwig Colmar in 1803. 
Question : When did Joseph Ludwig Colmar die?
[A]:
date of death