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