What was a production company whose German founder directed M4 and wrote M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.production_company .
?x0 ns:organization.organization.founders ?x1 .
?x1 ns:film.director.film M4 .
?x1 ns:film.writer.film M1 .
?x1 ns:film.writer.film M2 .
?x1 ns:people.person.nationality ns:m.0345h
}