Was M2 edited by M0 's art director , edited by M3 , and edited by a actor
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
?x1 a ns:film.actor .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by ?x1 .
M2 ns:film.film.edited_by M3
}