Was M2 edited by a cinematographer and edited by a film 's art director
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x1 a ns:film.film .
?x2 a ns:film.cinematographer .
M2 ns:film.film.edited_by ?x0 .
M2 ns:film.film.edited_by ?x2
}