Was M0 a art director that M2 , M3 , and M4 were played by
SELECT count(*) WHERE {
M0 a ns:film.film_art_director .
M0 ns:film.actor.film/ns:film.performance.character M2 .
M0 ns:film.actor.film/ns:film.performance.character M3 .
M0 ns:film.actor.film/ns:film.performance.character M4
}