question: Were M2 and M4 influenced by a character , influenced by a film director , and influenced by M3
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x1 a ns:fictional_universe.fictional_character .
  M2 ns:influence.influence_node.influenced_by ?x0 .
  M2 ns:influence.influence_node.influenced_by ?x1 .
  M2 ns:influence.influence_node.influenced_by M3 .
  M4 ns:influence.influence_node.influenced_by ?x0 .
  M4 ns:influence.influence_node.influenced_by ?x1 .
  M4 ns:influence.influence_node.influenced_by M3
  }