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