Which star of M1 and M2 was a German editor of M3 , M4 , M5 , and M6
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.editor.film M3 .
?x0 ns:film.editor.film M4 .
?x0 ns:film.editor.film M5 .
?x0 ns:film.editor.film M6 .
?x0 ns:people.person.nationality ns:m.0345h
}