question: Was M1 written by M3 , produced by a production company , directed by M4 , and executive produced by M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.production_company .
  M1 ns:film.film.directed_by M4 .
  M1 ns:film.film.executive_produced_by M2 .
  M1 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M1 ns:film.film.written_by M3
  }