Were M2 , M4 , M5 , M6 , and M7 influenced by M1 's American actor and influenced by M3
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:people.person.nationality ns:m.09c7w0 .
M2 ns:influence.influence_node.influenced_by ?x0 .
M2 ns:influence.influence_node.influenced_by M3 .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by M3 .
M5 ns:influence.influence_node.influenced_by ?x0 .
M5 ns:influence.influence_node.influenced_by M3 .
M6 ns:influence.influence_node.influenced_by ?x0 .
M6 ns:influence.influence_node.influenced_by M3 .
M7 ns:influence.influence_node.influenced_by ?x0 .
M7 ns:influence.influence_node.influenced_by M3
}