Which event had 25,883 entries? 
CREATE TABLE "2011_events" (
  "date" text,
  "event_num" text,
  "event" text,
  "winner" text,
  "prize" text,
  "entries" text,
  "prize_pool" text,
  "elapsed_time" text
);
SELECT "event" FROM "2011_events" WHERE "entries"='25,883';