What league is entering this round with 24 clubs remaining?
CREATE TABLE "format" (
  "phase" text,
  "round" text,
  "clubs_remaining" real,
  "clubs_involved" real,
  "winners_from_previous_round" text,
  "new_entries_this_round" text,
  "leagues_entering_at_this_round" text
);
SELECT "leagues_entering_at_this_round" FROM "format" WHERE "clubs_remaining"=24;