CREATE TABLE "cup_winners_cup" (
  "date" text,
  "round" text,
  "opponents" text,
  "h_a" text,
  "result_f_a" text,
  "scorers" text,
  "attendance" real
);

Question: What is the lowest attendance when the h/A is H in the Semi-Finals Second Leg?
SQL: SELECT MIN("attendance") FROM "cup_winners_cup" WHERE "h_a"='h' AND "round"='semi-finals second leg';

Question: What is the opponent name when the H/A is h with more than 28,411 in attendance and Sharpe 28' is the scorer?
SQL: SELECT "opponents" FROM "cup_winners_cup" WHERE "h_a"='h' AND "attendance">'28,411' AND "scorers"='sharpe 28''';

Question: What is the attendance number in the final round?
SQL: SELECT SUM("attendance") FROM "cup_winners_cup" WHERE "round"='final';