What was a film producer that employed M1 's writer , star , and 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.actor.film/ns:film.performance.film M1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M1 .
?x1 ns:film.writer.film M1
}