Did M4 influence a film director that M1 , M2 , and M3 starred and influence M5 and M6
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:film.actor.film/ns:film.performance.film M1 .
?x0 ns:film.actor.film/ns:film.performance.film M2 .
?x0 ns:film.actor.film/ns:film.performance.film M3 .
M4 ns:influence.influence_node.influenced ?x0 .
M4 ns:influence.influence_node.influenced M5 .
M4 ns:influence.influence_node.influenced M6
}