question: What film that was produced by and was executive produced by M2 and M3 was M0 's prequel
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 a ns:film.film .
  ?x0 ns:film.film.executive_produced_by M2 .
  ?x0 ns:film.film.executive_produced_by M3 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies M2 .
  ?x0 ns:film.film.produced_by|ns:film.film.production_companies M3 .
  ?x0 ns:film.film.sequel M0
  }