What producer of a film directed , wrote , and edited M0 and M1
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.director.film M0 .
?x0 ns:film.director.film M1 .
?x0 ns:film.editor.film M0 .
?x0 ns:film.editor.film M1 .
?x0 ns:film.producer.film|ns:film.production_company.films ?x1 .
?x0 ns:film.writer.film M0 .
?x0 ns:film.writer.film M1 .
?x1 a ns:film.film
}