question: Was M1 edited by M6 and M7 , edited by a costume designer , and written by M2 , M3 , M4 , and M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_costumer_designer .
  M1 ns:film.film.edited_by ?x0 .
  M1 ns:film.film.edited_by M6 .
  M1 ns:film.film.edited_by M7 .
  M1 ns:film.film.written_by M2 .
  M1 ns:film.film.written_by M3 .
  M1 ns:film.film.written_by M4 .
  M1 ns:film.film.written_by M5
  }