question: What was executive produced by a person and directed by a male writer of M1 , M2 , and M3
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by ?x1 .
  ?x0 ns:film.film.executive_produced_by ?x2 .
  ?x1 ns:film.writer.film M1 .
  ?x1 ns:film.writer.film M2 .
  ?x1 ns:film.writer.film M3 .
  ?x1 ns:people.person.gender ns:m.05zppz .
  ?x2 a ns:people.person
  }