Which German director of M1 , M2 , and M3 influenced a film director
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.director.film M3 .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:people.person.nationality ns:m.0345h .
?x1 a ns:film.director
}