Was a film 's sequel distributed by M0 and M1 and produced by M2
SELECT count(*) WHERE {
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M0 .
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor M1 .
?x0 ns:film.film.prequel ?x1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies M2 .
?x1 a ns:film.film
}