What did M0 's producer direct and a star of M1 direct
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by ?x1 .
?x0 ns:film.film.directed_by ?x2 .
?x1 ns:film.producer.film|ns:film.production_company.films M0 .
?x2 ns:film.actor.film/ns:film.performance.film M1
}