question: What was executive produced by a Chinese art director that M2 was produced by
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x1 a ns:film.film_art_director .
  ?x1 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x1 ns:people.person.nationality ns:m.0d05w3
  }