What did M3 direct , M1 write , M0 executive produce , and M2 write
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.directed_by M3 .
?x0 ns:film.film.executive_produced_by M0 .
?x0 ns:film.film.written_by M1 .
?x0 ns:film.film.written_by M2
}