What film producer that was employed by M1 and founded M4 's distributor was a German director of M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:film.director.film M3 .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 ns:film.film_distributor.films_distributed/ns:film.film_film_distributor_relationship.film M4
}