CREATE TABLE table_204_463 (id DECIMAL, "year" DECIMAL, "division" DECIMAL, "league" TEXT, "regular season" TEXT, "playoffs" TEXT, "open cup" TEXT)

what playoff result occurred the most ?
SELECT "playoffs" FROM table_204_463 GROUP BY "playoffs" ORDER BY COUNT(*) DESC LIMIT 1
SELECT "playoffs" FROM "table_204_463" GROUP BY "playoffs" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1