Was a art director a art director and producer of M0 , M1 , and M2
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
?x0 ns:film.film_art_director.films_art_directed M1 .
?x0 ns:film.film_art_director.films_art_directed M2 .
?x0 ns:film.producer.film|ns:film.production_company.films M0 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.producer.film|ns:film.production_company.films M2
}