Did a film 's art director produce and edit M0
SELECT count(*) WHERE {
?x0 ns:film.editor.film M0 .
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x1 a ns:film.film
}