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