Did M4 influence a film editor that M1 , M2 , and M3 starred
SELECT count(*) WHERE {
?x0 a ns:film.editor .
?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
}