question: What Chinese writer of a film directed M4 and executive produced M0 , M1 , and M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.producer.films_executive_produced M0 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.writer.film ?x1 .
  ?x0 ns:people.person.nationality ns:m.0d05w3 .
  ?x1 a ns:film.film
  }