Which film director that founded M1 , founded M2 and M3 , and founded M4 and M5 founded M6
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.director .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:organization.organization_founder.organizations_founded M3 .
?x0 ns:organization.organization_founder.organizations_founded M4 .
?x0 ns:organization.organization_founder.organizations_founded M5 .
?x0 ns:organization.organization_founder.organizations_founded M6
}