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