Who was a film producer that founded M6 , M7 , and M8 and was employed by M2 , M3 , M4 , and M5
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 a ns:people.person .
?x0 ns:organization.organization_founder.organizations_founded M6 .
?x0 ns:organization.organization_founder.organizations_founded M7 .
?x0 ns:organization.organization_founder.organizations_founded M8 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M5
}