Did a film 's art director direct and executive produce M0 's sequel
SELECT count(*) WHERE {
?x0 ns:film.director.film ?x1 .
?x0 ns:film.film_art_director.films_art_directed ?x2 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 ns:film.film.prequel M0 .
?x2 a ns:film.film
}