What film producer employed M3 , was founded by M1 and M2 , and employed a film editor
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person ?x1 .
?x0 ns:business.employer.employees/ns:business.employment_tenure.person M3 .
?x0 ns:organization.organization.founders M1 .
?x0 ns:organization.organization.founders M2 .
?x1 a ns:film.editor
}