How many porn films he had made?
Any thougths
http://www.imdb.com/list/ls076987349/#1
He's only done one, "art house", softcore film: Anita (1973).
Depending on your definition of porn, both Nymphomaniac-films (2014) and Raid in the Summer (1972) are erotic films, but hardly porn by any means.
Martin Scorsese IS the best