question: Were M3 and M4 directed by a Italian film producer and directed by a person
query: SELECT count(*) WHERE {
  ?x0 a ns:film.producer .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  ?x1 a ns:people.person .
  M3 ns:film.film.directed_by ?x0 .
  M3 ns:film.film.directed_by ?x1 .
  M4 ns:film.film.directed_by ?x0 .
  M4 ns:film.film.directed_by ?x1
  }