question: Were M3 and M4 produced by a Italian employee of M0 and M1
query: SELECT count(*) WHERE {
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M1 .
  ?x0 ns:people.person.nationality ns:m.03rjj .
  M3 ns:film.film.produced_by|ns:film.film.production_companies ?x0 .
  M4 ns:film.film.produced_by|ns:film.film.production_companies ?x0
  }