Who was a Spanish film director that M2 , M3 , and M4 were written by
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.director .
?x0 a ns:people.person .
?x0 ns:film.writer.film M2 .
?x0 ns:film.writer.film M3 .
?x0 ns:film.writer.film M4 .
?x0 ns:people.person.nationality ns:m.06mkj
}