what is the maximum value for afc cup
CREATE TABLE "table1_14460937_2" (
  "pos" real,
  "member_association" text,
  "points_total_500" real,
  "clubs" text,
  "group_stage" real,
  "play_off" real,
  "afc_cup" real
);
SELECT MAX("afc_cup") FROM "table1_14460937_2";