CREATE TABLE table_204_874 (id DECIMAL, "year" DECIMAL, "winner" TEXT, "runner-up" TEXT, "final score" TEXT, "third" TEXT)

which team has the most championship wins ?
SELECT "winner" FROM table_204_874 GROUP BY "winner" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "winner" FROM "table_204_874" GROUP BY "winner" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1