What was produced by and executive produced by a writer of M0 , M1 , M2 , and M3
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.produced_by|ns:film.film.production_companies ?x1 .
?x1 ns:film.writer.film M0 .
?x1 ns:film.writer.film M1 .
?x1 ns:film.writer.film M2 .
?x1 ns:film.writer.film M3
}