Was M2 written by a art director and edited by a director and writer of M1
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x1 ns:film.director.film M1 .
?x1 ns:film.writer.film M1 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.written_by ?x0
}