question: What did M1 's director direct and a film producer executive produce
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.executive_produced_by ?x2 .
  ?x1 ns:film.director.film M1 .
  ?x2 a ns:film.producer
  }