CREATE TABLE table_204_855 (id DECIMAL, "year" DECIMAL, "date" TEXT, "winner" TEXT, "result" TEXT, "loser" TEXT, "attendance" DECIMAL, "location" TEXT)

which team won the last game in 1989 ?
SELECT "winner" FROM table_204_855 WHERE "year" = 1989 ORDER BY "date" DESC LIMIT 1
SELECT "winner" FROM "table_204_855" WHERE "year" = 1989 ORDER BY "date" DESC NULLS LAST LIMIT 1