question: Was a film that starred M1 , M2 , M3 , and M4 written by , directed by , and edited by M5
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by M5 .
  ?x0 ns:film.film.edited_by M5 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M1 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M2 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M3 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M4 .
  ?x0 ns:film.film.written_by M5
  }