question: Were M2 , M3 , and M4 written by and executive produced by a Chinese film director 's child
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.parents|ns:fictional_universe.fictional_character.parents|ns:organization.organization.parent/ns:organization.organization_relationship.parent ?x1 .
  ?x1 a ns:film.director .
  ?x1 ns:people.person.nationality ns:m.0d05w3 .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.written_by ?x0 .
  M3 ns:film.film.executive_produced_by ?x0 .
  M3 ns:film.film.written_by ?x0 .
  M4 ns:film.film.executive_produced_by ?x0 .
  M4 ns:film.film.written_by ?x0
  }