Was M1 produced by M0 's sequel 's executive producer and art director
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x1 ns:film.film.prequel M0 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}