Did M1 , M2 , and M3 influence a founder of M0
SELECT count(*) WHERE {
?x0 ns:organization.organization_founder.organizations_founded M0 .
M1 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced ?x0
}