question: Who was a French art director of M2 , M3 , M4 , and M5
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.film_art_director.films_art_directed M2 .
  ?x0 ns:film.film_art_director.films_art_directed M3 .
  ?x0 ns:film.film_art_director.films_art_directed M4 .
  ?x0 ns:film.film_art_director.films_art_directed M5 .
  ?x0 ns:people.person.nationality ns:m.0f8l9c
  }