question: Did a costume designer executive produce M1 , M2 , and M3 and executive produce M4 , M5 , and M6
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  ?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.films_executive_produced M4 .
  ?x0 ns:film.producer.films_executive_produced M5 .
  ?x0 ns:film.producer.films_executive_produced M6
  }