question: Was M1 written by M2 , produced by a director of M0 , written by M3 , and edited by M4
query: SELECT count(*) WHERE {
  ?x0 ns:film.director.film M0 .
  M1 ns:film.film.edited_by M4 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M1 ns:film.film.written_by M2 .
  M1 ns:film.film.written_by M3
  }