question: What was written by a character , executive produced by M0 and M1 , and written by M3 's producer
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x0 ns:film.film.executive_produced_by M1 .
  ?x0 ns:film.film.written_by ?x1 .
  ?x0 ns:film.film.written_by ?x2 .
  ?x1 a ns:fictional_universe.fictional_character .
  ?x2 ns:film.producer.film|ns:film.production_company.films M3
  }