What did M0 executive produce , M1 and M2 edit , and a screenwriter write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.edited_by M1 .
?x0 ns:film.film.edited_by M2 .
?x0 ns:film.film.executive_produced_by M0 .
?x0 ns:film.film.written_by ?x1 .
?x1 a ns:film.writer
}