question: Which person that M2 was executive produced by and M4 starred influenced M1 and was influenced by M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.actor.film/ns:film.performance.film M4 .
  ?x0 ns:film.producer.films_executive_produced M2 .
  ?x0 ns:influence.influence_node.influenced M1 .
  ?x0 ns:influence.influence_node.influenced_by M3
  }