What German person that M1 was edited by , written by , and produced by was M3 's director and editor
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:film.director.film M3 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.producer.film|ns:film.production_company.films M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:people.person.nationality ns:m.0345h
}