question: Was a character that influenced a film director and was influenced by a person M2
query: SELECT count(*) WHERE {
  ?x0 a ns:film.director .
  ?x1 a ns:people.person .
  M2 a ns:fictional_universe.fictional_character .
  M2 ns:influence.influence_node.influenced ?x0 .
  M2 ns:influence.influence_node.influenced_by ?x1
  }