Which film producer whose employer employed M5 and M6 was employed by M1 , M2 , and M3 and founded M4
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?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 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 M5 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M6
}