Was M1 edited by M3 , produced by a art director , and produced by M2
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
M1 ns:film.film.edited_by M3 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies M2
}