Was a film producer influenced by M3 and M4 , influenced by M5 and M6 , and influenced by a art director M1
SELECT count(*) WHERE {
?x0 a ns:film.film_art_director .
M1 a ns:film.producer .
M1 ns:influence.influence_node.influenced_by ?x0 .
M1 ns:influence.influence_node.influenced_by M3 .
M1 ns:influence.influence_node.influenced_by M4 .
M1 ns:influence.influence_node.influenced_by M5 .
M1 ns:influence.influence_node.influenced_by M6
}