Were M2 and M4 directed by a art director that played M1 and executive produced by M3
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
M2 ns:film.film.directed_by ?x0 .
M2 ns:film.film.executive_produced_by M3 .
M4 ns:film.film.directed_by ?x0 .
M4 ns:film.film.executive_produced_by M3
}