Did M2 influence M3 , influence M4 , M5 , M6 , and M7 , and influence M1 's Swedish star
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:people.person.nationality ns:m.0d0vqn .
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 .
M2 ns:influence.influence_node.influenced M6 .
M2 ns:influence.influence_node.influenced M7
}