question: Were M3 and M4 directed by M0 's female German executive producer
query: SELECT count(*) WHERE {
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.0345h .
  M3 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.directed_by ?x0
  }