question: Was M1 written by a person , written by M2 , directed by M3 and M4 , and directed by M5
query: SELECT count(*) WHERE {
  ?x0 a ns:people.person .
  M1 ns:film.film.directed_by M3 .
  M1 ns:film.film.directed_by M4 .
  M1 ns:film.film.directed_by M5 .
  M1 ns:film.film.written_by ?x0 .
  M1 ns:film.film.written_by M2
  }