Which film producer employed M1 's male costume designer
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M1 .
?x1 ns:people.person.gender ns:m.05zppz
}