question: Were M3 and M6 directed by M5 , directed by M2 's female German director , and written by M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M2 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.0345h .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.directed_by M5 .
  M3 ns:film.film.written_by M4 .
  M6 ns:film.film.directed_by ?x0 .
  M6 ns:film.film.directed_by M5 .
  M6 ns:film.film.written_by M4
  }