Was a character influenced by M4 's actor and influenced by M1 , M2 , and M3
SELECT count(*) WHERE {
?x0 a ns:fictional_universe.fictional_character .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x1 ns:film.actor.film/ns:film.performance.character M4
}