What was executive produced by M0 and written by a Mexican German screenwriter
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by M0 .
?x0 ns:film.film.written_by ?x1 .
?x1 a ns:film.writer .
?x1 ns:people.person.nationality ns:m.0345h .
?x1 ns:people.person.nationality ns:m.0b90_r
}