question: Was a film editor M4 's female Chinese Canadian director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  ?x0 ns:film.director.film M4 .
  ?x0 ns:people.person.gender ns:m.02zsn .
  ?x0 ns:people.person.nationality ns:m.0d05w3 .
  ?x0 ns:people.person.nationality ns:m.0d060g
  }