question: What was written by M3 's editor and executive produced by a German writer of M0 and M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by ?x2 .
  ?x1 ns:film.writer.film M0 .
  ?x1 ns:film.writer.film M1 .
  ?x1 ns:people.person.nationality ns:m.0345h .
  ?x2 ns:film.editor.film M3
  }