Was M1 a film that was executive produced by and starred M0 's art director
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
M1 a ns:film.film .
M1 ns:film.film.executive_produced_by ?x0 .
M1 ns:film.film.starring/ns:film.performance.actor ?x0
}