question: Which film editor that M1 was written , directed , edited , and produced by was a German founder of M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.editor.film M1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M1 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:organization.organization_founder.organizations_founded M2 .
  ?x0 ns:people.person.nationality ns:m.0345h
  }