Who did a German film director influence and M1 influence
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 a ns:film.director .
?x1 ns:people.person.nationality ns:m.0345h
}