question: Was M1 M2 's American female art director 's gender
query: SELECT count(*) WHERE {
  ?x0 ns:film.film_art_director.films_art_directed M2 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.09c7w0 .
  M1 ^ns:people.person.gender ?x0
  }