Were M3 and M4 influenced by a costume designer and influenced by a executive producer of M1 and M2
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x1 ns:film.producer.films_executive_produced M1 .
?x1 ns:film.producer.films_executive_produced M2 .
M3 ns:influence.influence_node.influenced_by ?x0 .
M3 ns:influence.influence_node.influenced_by ?x1 .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by ?x1
}