CREATE TABLE table_203_537 (id NUMBER, "#" NUMBER, "date" CLOB, "venue" CLOB, "opponent" CLOB, "score" CLOB, "result" CLOB, "competition" CLOB)

what opponent is listed last on the table ?
SELECT "opponent" FROM table_203_537 ORDER BY id DESC LIMIT 1
SELECT "opponent" FROM "table_203_537" ORDER BY "id" DESC FETCH FIRST 1 ROWS ONLY