Was M1 executive produced by M2 , produced by M0 's art director , and executive produced by M3
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed M0 .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
}