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