question: What founder of M4 was employed by M0 , M1 , M2 , and M3 and employed by a Italian film producer 's employer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:organization.organization_founder.organizations_founded M4 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
  ?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.employment_history/ns:business.employment_tenure.company M2 .
  ?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
  ?x1 ns:business.employer.employees/ns:business.employment_tenure.person ?x2 .
  ?x2 a ns:film.producer .
  ?x2 ns:people.person.nationality ns:m.03rjj
  }