Was M0 a person influenced by M2 , influenced by M3 and M4 , and influenced by M5 , M6 , and M7
SELECT count(*) WHERE {
M0 a ns:people.person .
M0 ns:influence.influence_node.influenced_by M2 .
M0 ns:influence.influence_node.influenced_by M3 .
M0 ns:influence.influence_node.influenced_by M4 .
M0 ns:influence.influence_node.influenced_by M5 .
M0 ns:influence.influence_node.influenced_by M6 .
M0 ns:influence.influence_node.influenced_by M7
}