What was a film distributor that employed a cinematographer , producer , and director of M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film_distributor .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x1 ns:film.cinematographer.film M1 .
?x1 ns:film.director.film M1 .
?x1 ns:film.producer.film|ns:film.production_company.films M1
}