Did a employer of M0 distribute M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M0 .
?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:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M3
}