Did M4 employ a actor that M1 , M2 , and M3 influenced and employ M5 and M6
SELECT count(*) WHERE {
?x0 a ns:film.actor .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person M5 .
M4 ns:business.employer.employees/ns:business.employment_tenure.person M6
}