question: What did M0 executive produce , M1 and M2 direct , and a actor executive produce
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by M1 .
  ?x0 ns:film.film.directed_by M2 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x0 ns:film.film.executive_produced_by M0 .
  ?x1 a ns:film.actor
  }