question: What was directed by and executive produced by a American director of M1
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.executive_produced_by ?x1 .
  ?x1 ns:film.director.film M1 .
  ?x1 ns:people.person.nationality ns:m.09c7w0
  }