question: Which French art director directed M6 and M7 , executive produced M1 , M2 , and M3 , and produced M5
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:film.director.film M7 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M5 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c
  }