CREATE TABLE table_204_269 (id NUMBER, "week" NUMBER, "room" CLOB, "winning couple" CLOB, "2nd couple" CLOB, "3rd couple" CLOB, "chumps" CLOB)

who became the winning couple the most ?
SELECT "winning couple" FROM table_204_269 GROUP BY "winning couple" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "winning couple" FROM "table_204_269" GROUP BY "winning couple" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY