question: Were M4 , M5 , M6 , and M7 directed by a Chinese person that wrote M1 and produced M3
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.producer.film|ns:film.production_company.films M3 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:people.person.nationality ns:m.0d05w3 .
  M4 ns:film.film.directed_by ?x0 .
  M5 ns:film.film.directed_by ?x0 .
  M6 ns:film.film.directed_by ?x0 .
  M7 ns:film.film.directed_by ?x0
  }