Did M3 and M6 influence a British actor of M1 and M2 , influence M4 , and influence M5
SELECT count(*) WHERE {
?x0 ns:film.actor.film/ns:film.performance.character M1 .
?x0 ns:film.actor.film/ns:film.performance.character M2 .
?x0 ns:people.person.nationality ns:m.07ssc .
M3 ns:influence.influence_node.influenced ?x0 .
M3 ns:influence.influence_node.influenced M4 .
M3 ns:influence.influence_node.influenced M5 .
M6 ns:influence.influence_node.influenced ?x0 .
M6 ns:influence.influence_node.influenced M4 .
M6 ns:influence.influence_node.influenced M5
}