question: Was M0 a film that M4 and M5 wrote and M2 and M3 executive produced
query: SELECT count(*) WHERE {
  M0 a ns:film.film .
  M0 ns:film.film.executive_produced_by M2 .
  M0 ns:film.film.executive_produced_by M3 .
  M0 ns:film.film.written_by M4 .
  M0 ns:film.film.written_by M5
  }