Was a costume designer that was influenced by M2 and was influenced by M3 and M4 a film producer
SELECT count(*) WHERE {
?x0 a ns:film.film_costumer_designer .
?x0 a ns:film.producer .
?x0 ns:influence.influence_node.influenced_by M2 .
?x0 ns:influence.influence_node.influenced_by M3 .
?x0 ns:influence.influence_node.influenced_by M4
}