question: Was M1 directed , produced , and edited by a film director
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  M1 ns:film.film.directed_by ?x0 .
  M1 ns:film.film.edited_by ?x0 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }