Question: Which film has the director who is older than the other, Visible Secret or Kudiattam? 
Sentence (from "Ann Hui"): There are only two films won Grand Slam for Hong Kong Film Awards( means a film won best picture, best director, best screenplay and best actor and actress at the same time), they are" Summer Snow" and" A Simple Life", both are directed by Ann Hui.
Relevant evidence: No