Did M2 star M3 , star a art director of M0 , and star a film editor
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
?x1 a ns:film.editor .
M2 ns:film.film.starring/ns:film.performance.actor ?x0 .
M2 ns:film.film.starring/ns:film.performance.actor ?x1 .
M2 ns:film.film.starring/ns:film.performance.actor M3
}