Which producer of a film did M0 's director and star found
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:organization.organization.founders ?x2 .
?x1 a ns:film.film .
?x2 ns:film.actor.film/ns:film.performance.film M0 .
?x2 ns:film.director.film M0
}