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