Was a distributor of M1 and M2 M0 's parent
SELECT count(*) WHERE {
?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M1 .
?x0 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M2 .
?x0 ns:people.person.children|ns:fictional_universe.fictional_character.children|ns:organization.organization.child/ns:organization.organization_relationship.child M0
}