Which film executive produced and written by a character did M1 , M2 , M3 , and M4 produce
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.film .
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies M1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies M2 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies M3 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies M4 .
?x0 ns:film.film.written_by ?x1 .
?x1 a ns:fictional_universe.fictional_character
}