Was M2 executive produced by a art director , produced by M3 , and executive produced by a film director
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x1 a ns:film.film_art_director .
M2 ns:film.film.executive_produced_by ?x0 .
M2 ns:film.film.executive_produced_by ?x1 .
M2 ns:film.film.produced_by|ns:film.film.production_companies M3
}