question: Was a Canadian art director that wrote M2 a female screenwriter
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 a ns:film.writer .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }