Which producer and art director of a film played M0 and M1
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M0 .
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film
}