What film producer that influenced M1 and M2 was employed by a company and was employed by M3
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.producer .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company ?x1 .
?x0 ns:people.person.employment_history/ns:business.employment_tenure.company M3 .
?x1 a ns:business.employer
}