question: What costume designer of M1 , M2 , and M3 directed M4 , M5 , and M6 and executive produced M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.director.film M4 .
  ?x0 ns:film.director.film M5 .
  ?x0 ns:film.director.film M6 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M1 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M2 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M3 .
  ?x0 ns:film.producer.films_executive_produced M0
  }