question: Were M2 , M4 , and M5 executive produced by a film producer , written by a actor , and executive produced by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x1 a ns:film.actor .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.executive_produced_by M3 .
  M2 ns:film.film.written_by ?x1 .
  M4 ns:film.film.executive_produced_by ?x0 .
  M4 ns:film.film.executive_produced_by M3 .
  M4 ns:film.film.written_by ?x1 .
  M5 ns:film.film.executive_produced_by ?x0 .
  M5 ns:film.film.executive_produced_by M3 .
  M5 ns:film.film.written_by ?x1
  }