Were M1 and M4 influenced by M2 and M3 and influenced by a film 's producer and art director
SELECT count(*) WHERE {
?x0 ns:film.film_art_director.films_art_directed ?x1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x1 a ns:film.film .
M1 ns:influence.influence_node.influenced_by ?x0 .
M1 ns:influence.influence_node.influenced_by M2 .
M1 ns:influence.influence_node.influenced_by M3 .
M4 ns:influence.influence_node.influenced_by ?x0 .
M4 ns:influence.influence_node.influenced_by M2 .
M4 ns:influence.influence_node.influenced_by M3
}