What did M0 , M1 , and M2 write , a character executive produce , and a film producer executive produce
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.executive_produced_by ?x2 .
?x0 ns:film.film.written_by M0 .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2 .
?x1 a ns:fictional_universe.fictional_character .
?x2 a ns:film.producer
}