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 : The Esterhazy Madonna is a 1508 painting by Raphael, held at the Museum of Fine Arts in Budapest, in Hungary. 
Question : What is the name of the place where Esterhazy Madonna can be found?
collection

Context : Her mother later married actor John Southall, by whom she had a daughter, Georganne Southall, Cher's half-sister. 
Question : What is Cher's spouse's name?
spouse

Context : Andy Warhol's Frankenstein (original title: Flesh for Frankenstein) is a 1973 Italian-French horror film directed by Paul Morrissey and produced by Andy Warhol, Andrew Braunsberg, Louis Peraino and Carlo Ponti. 
Question : The production company responsible for Andy Warhol's Frankenstein is what?

production company