question: Which person that M1 and M2 were produced by , directed by , and written by was M3 's executive producer and costume designer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:people.person .
  ?x0 ns:film.director.film M1 .
  ?x0 ns:film.director.film M2 .
  ?x0 ns:film.film_costumer_designer.costume_design_for_film M3 .
  ?x0 ns:film.producer.films_executive_produced M3 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M1 .
  ?x0 ns:film.producer.film|ns:film.production_company.films M2 .
  ?x0 ns:film.writer.film M1 .
  ?x0 ns:film.writer.film M2
  }