Who was employed by M6 's employer , was employed by M1 , M2 , M3 , and M4 , and founded M5
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:people.person .
?x0 ns:organization.organization_founder.organizations_founded M5 .
?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 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M4 .
?x1 ns:business.employer.employees/ns:business.employment_tenure.person M6
}