What founder of M0 , M1 , and M2 did a company employ
SELECT DISTINCT ?x0 WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
?x0 ns:organization.organization_founder.organizations_founded M1 .
?x0 ns:organization.organization_founder.organizations_founded M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x1 a ns:business.employer
}