What was executive produced by M0 , executive produced by a actor of M2 , and executive produced by M1
SELECT DISTINCT ?x0 WHERE {
?x0 ns:film.film.executive_produced_by ?x1 .
?x0 ns:film.film.executive_produced_by M0 .
?x0 ns:film.film.executive_produced_by M1 .
?x1 ns:film.actor.film/ns:film.performance.character M2
}