question: What did a German star of a film write and M0 , M1 , M2 , and M3 direct
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by M0 .
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.directed_by M2 .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 ns:film.actor.film/ns:film.performance.film ?x2 .
  ?x1 ns:people.person.nationality ns:m.0345h .
  ?x2 a ns:film.film
  }