question: What did a screenwriter that directed and wrote M1 executive produce and write
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x1 a ns:film.writer .
  ?x1 ns:film.director.film M1 .
  ?x1 ns:film.writer.film M1
  }