question: What film that a character directed was written by and executive produced by M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.written_by M1 .
  ?x1 a ns:fictional_universe.fictional_character
  }