Who founded a film producer , founded M2 's employer , and founded M1
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:organization.organization_founder.organizations_founded ?x1 .
?x0 ns:organization.organization_founder.organizations_founded ?x2 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M2 .
?x2 a ns:film.producer
}