Did a film producer employ a male producer of M1
SELECT count(*) WHERE {
?x0 a ns:film.producer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.producer.film|ns:film.production_company.films M1 .
?x1 ns:people.person.gender ns:m.05zppz
}