CREATE TABLE table_204_52 (id DECIMAL, "#" DECIMAL, "date" TEXT, "venue" TEXT, "opponent" TEXT, "score" TEXT, "result" TEXT, "competition" TEXT)

what opponent is below belgium ?
SELECT "opponent" FROM table_204_52 WHERE id = (SELECT id FROM table_204_52 WHERE "opponent" = 'belgium') + 1
SELECT "opponent" FROM "table_204_52" WHERE "id" = (SELECT "id" FROM "table_204_52" WHERE "opponent" = 'belgium') + 1