Was M4 a company whose employee and founder was influenced by M0 and M1 and was influenced by M2 and M3
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced_by M0 .
?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 a ns:business.employer .
M4 ns:business.employer.employees/ns:business.employment_tenure.person ?x0 .
M4 ns:organization.organization.founders ?x0
}