question: Was M2 executive produced by M3 and executive produced by a art director that influenced M1
query: SELECT count(*) WHERE {
  ?x0 a ns:film.film_art_director .
  ?x0 ns:influence.influence_node.influenced M1 .
  M2 ns:film.film.executive_produced_by ?x0 .
  M2 ns:film.film.executive_produced_by M3
  }