Was M1 a film that M0 's star and art director edited and wrote
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M0 .
?x0 ns:film.film_art_director.films_art_directed M0 .
M1 a ns:film.film .
M1 ns:film.film.edited_by ?x0 .
M1 ns:film.film.written_by ?x0
}