CREATE TABLE table_203_126 (id DECIMAL, "date" TEXT, "opponent#" TEXT, "rank#" TEXT, "site" TEXT, "result" TEXT, "attendance" DECIMAL)

who was the last opponent ?
SELECT "opponent#" FROM table_203_126 ORDER BY id DESC LIMIT 1
SELECT "opponent#" FROM "table_203_126" ORDER BY "id" DESC NULLS LAST LIMIT 1