Was M1 executive produced by M2 and M3 , written by a art director of M0 , and executive produced by M4
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.executive_produced_by M4 .
M1 ns:film.film.written_by ?x0
}