question: What sequel of M1 was directed by M2 , directed by M3 , M4 , M5 , and M6 , and written by M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.directed_by M2 .
  ?x0 ns:film.film.directed_by M3 .
  ?x0 ns:film.film.directed_by M4 .
  ?x0 ns:film.film.directed_by M5 .
  ?x0 ns:film.film.directed_by M6 .
  ?x0 ns:film.film.prequel M1 .
  ?x0 ns:film.film.written_by M0
  }