question: Were M1 , M3 , M4 , M5 , and M6 directed by a film editor and executive produced by M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.editor .
  M1 ns:film.film.directed_by ?x0 .
  M1 ns:film.film.executive_produced_by M2 .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.executive_produced_by M2 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.executive_produced_by M2 .
  M5 ns:film.film.directed_by ?x0 .
  M5 ns:film.film.executive_produced_by M2 .
  M6 ns:film.film.directed_by ?x0 .
  M6 ns:film.film.executive_produced_by M2
  }