question: Was M0 a art director influenced by M2 and M3 , influenced by M4 and M5 , and influenced by M6
query: SELECT count(*) WHERE {
  M0 a ns:film.film_art_director .
  M0 ns:influence.influence_node.influenced_by M2 .
  M0 ns:influence.influence_node.influenced_by M3 .
  M0 ns:influence.influence_node.influenced_by M4 .
  M0 ns:influence.influence_node.influenced_by M5 .
  M0 ns:influence.influence_node.influenced_by M6
  }