question: Which producer of M0 was employed by a Italian screenwriter 's employer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.producer.film|ns:film.production_company.films M0 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x2 a ns:film.writer .
  ?x2 ns:people.person.nationality ns:m.03rjj
  }