question: Did a Chinese film director write M1 , M2 , and M3 and executive produce M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x0 ns:film.producer.films_executive_produced M4 .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:film.producer.films_executive_produced M6 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2 .
  ?x0 ns:film.writer.film M3 .
  ?x0 ns:people.person.nationality ns:m.0d05w3
  }