What film editor was employed by M3 's employer , founded M1 , and founded M2
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.editor .
?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 ns:business.employer.employees/ns:business.employment_tenure.person M3
}