Was a sequel of M2 edited by a art director and edited by M0 and M1
SELECT count(*) WHERE {
?x0 ns:film.film.edited_by ?x1 .
?x0 ns:film.film.edited_by M0 .
?x0 ns:film.film.edited_by M1 .
?x0 ns:film.film.prequel M2 .
?x1 a ns:film.film_art_director
}