What film director that M0 was written by and was executive produced by directed M1 and M2
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M1 .
?x0 ns:film.director.film M2 .
?x0 ns:film.producer.films_executive_produced M0 .
?x0 ns:film.writer.film M0
}