question: Which character influenced M1 's star and was influenced by a writer and executive producer of M2
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:fictional_universe.fictional_character .
  ?x0 ns:influence.influence_node.influenced ?x1 .
  ?x0 ns:influence.influence_node.influenced_by ?x2 .
  ?x1 ns:film.actor.film/ns:film.performance.film M1 .
  ?x2 ns:film.producer.films_executive_produced M2 .
  ?x2 ns:film.writer.film M2
  }