Was a art director that M2 was influenced by and M3 influenced M1 's executive producer and writer
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
?x0 ns:film.producer.films_executive_produced M1 .
?x0 ns:film.writer.film M1 .
?x0 ns:influence.influence_node.influenced M2 .
?x0 ns:influence.influence_node.influenced_by M3
}