What actor directed a film that M2 , M3 , M4 , and M5 executive produced
SELECT DISTINCT ?x0 WHERE {
?x0 a ns:film.actor .
?x0 ns:film.director.film ?x1 .
?x1 a ns:film.film .
?x1 ns:film.film.executive_produced_by M2 .
?x1 ns:film.film.executive_produced_by M3 .
?x1 ns:film.film.executive_produced_by M4 .
?x1 ns:film.film.executive_produced_by M5
}