Who was a French film producer that M4 was directed by and M3 starred
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 a ns:people.person .
?x0 ns:film.actor.film/ns:film.performance.film M3 .
?x0 ns:film.director.film M4 .
?x0 ns:people.person.nationality ns:m.0f8l9c
}