Was M1 distributed by a film distributor , distributed by M2 and M3 , and distributed by M4
SELECT count(*) WHERE {
?x0 a ns:film.film_distributor .
M1 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x0 .
M1 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M2 .
M1 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M3 .
M1 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M4
}