Was a company whose employee influenced a person and influenced M0 M2
SELECT count(*) WHERE {
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M0 .
?x1 a ns:people.person .
M2 a ns:business.employer .
M2 ns:business.employer.employees/ns:business.employment_tenure.person ?x0
}