Was a film director influenced by M1 , influenced by M2 's costume designer , and influenced by a person
SELECT count(*) WHERE {
?x0 a ns:film.director .
?x0 ns:influence.influence_node.influenced_by ?x1 .
?x0 ns:influence.influence_node.influenced_by ?x2 .
?x0 ns:influence.influence_node.influenced_by M1 .
?x1 ns:film.film_costumer_designer.costume_design_for_film M2 .
?x2 a ns:people.person
}