question: Which screenwriter that M1 was executive produced by and a sequel of M4 was executive produced by did M2 and M3 star
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.writer .
  ?x0 ns:film.actor.film/ns:film.performance.film M2 .
  ?x0 ns:film.actor.film/ns:film.performance.film M3 .
  ?x0 ns:film.producer.films_executive_produced ?x1 .
  ?x0 ns:film.producer.films_executive_produced M1 .
  ?x1 ns:film.film.prequel M4
  }