Was M1 executive produced by M2 and M3 and written by a executive producer , art director , and producer of a film
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.films_executive_produced ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film .
M1 ns:film.film.executive_produced_by M2 .
M1 ns:film.film.executive_produced_by M3 .
M1 ns:film.film.written_by ?x0
}