Did a art director influence M1 , influence M2 , and influence M3 's sequel 's producer
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:influence.influence_node.influenced ?x1 .
?x0 ns:influence.influence_node.influenced M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x1 ns:film.producer.film|ns:film.production_company.films ?x2 .
?x2 ns:film.film.prequel M3
}