Did M2 and M3 produce a film whose distributor employed M1
SELECT count(*) WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.distributors/ns:film.film_film_distributor_relationship.distributor ?x1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M1 .
M2 ns:film.producer.film|ns:film.production_company.films ?x0 .
M3 ns:film.producer.film|ns:film.production_company.films ?x0
}