question: Was M3 's sequel written by M0 , produced by a production company , edited by M1 , and edited by M2
query: SELECT count(*) WHERE {
  ?x0 ns:film.film.edited_by M1 .
  ?x0 ns:film.film.edited_by M2 .
  ?x0 ns:film.film.prequel M3 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
  ?x0 ns:film.film.written_by M0 .
  ?x1 a ns:film.production_company
  }