question: Was M0 written by M1 , written by M2 , directed by M4 , and written by M3
query: SELECT count(*) WHERE {
  M0 ns:film.film.directed_by M4 .
  M0 ns:film.film.written_by M1 .
  M0 ns:film.film.written_by M2 .
  M0 ns:film.film.written_by M3
  }