Did M2 and M6 influence a Italian person and influence M3 , M4 , and M5
SELECT count(*) WHERE {
?x0 a ns:people.person .
?x0 ns:people.person.nationality ns:m.03rjj .
M2 ns:influence.influence_node.influenced ?x0 .
M2 ns:influence.influence_node.influenced M3 .
M2 ns:influence.influence_node.influenced M4 .
M2 ns:influence.influence_node.influenced M5 .
M6 ns:influence.influence_node.influenced ?x0 .
M6 ns:influence.influence_node.influenced M3 .
M6 ns:influence.influence_node.influenced M4 .
M6 ns:influence.influence_node.influenced M5
}