CREATE TABLE table_203_257 (id NUMBER, "week" NUMBER, "date" CLOB, "opponent" CLOB, "result" CLOB, "attendance" NUMBER)

what team played the last game of the 1981 season ?
SELECT "opponent" FROM table_203_257 ORDER BY "date" DESC LIMIT 1
SELECT "opponent" FROM "table_203_257" ORDER BY "date" DESC FETCH FIRST 1 ROWS ONLY