Did M1 star a art director of M0 , star M2 , and star M3
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
M1 ns:film.film.starring/ns:film.performance.actor ?x0 .
M1 ns:film.film.starring/ns:film.performance.actor M2 .
M1 ns:film.film.starring/ns:film.performance.actor M3
}