Were M2 and M4 influenced by a person , influenced by a film director 's employer 's employee , and influenced by M3
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x1 ns:people.person.employment_history/ns:business.employment_tenure.company ?x2 .
?x2 ns:business.employer.employees/ns:business.employment_tenure.person ?x3 .
?x3 a ns:film.director .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by ?x1 .
M2 ns:influence.influence_node.influenced_by M3 .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by ?x1 .
M4 ns:influence.influence_node.influenced_by M3
}