question: Was M3 written by M4 and written by a female French screenwriter
query: SELECT count(*) WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.0f8l9c .
  M3 ns:film.film.written_by ?x0 .
  M3 ns:film.film.written_by M4
  }