question: Was M0 a male Chinese film editor that wrote M2 and directed M5 and M6
query: SELECT count(*) WHERE {
  M0 a ns:film.editor .
  M0 ns:film.director.film M5 .
  M0 ns:film.director.film M6 .
  M0 ns:film.writer.film M2 .
  M0 ns:people.person.gender ns:m.05zppz .
  M0 ns:people.person.nationality ns:m.0d05w3
  }