question: What prequel of a prequel of M1 's sequel starred M0
query: SELECT DISTINCT ?x0 WHERE {
  ?x0 ns:film.film.sequel ?x1 .
  ?x0 ns:film.film.starring/ns:film.performance.actor M0 .
  ?x1 ns:film.film.sequel ?x2 .
  ?x2 ns:film.film.prequel M1
  }