SELECT lavanimi, YEAR(CURRENT DATE) - YEAR(synniaeg) as vanus FROM Lauljad WHERE LENGTH(Lavanimi) <= 4 and synniaeg > 1981;
SELECT VoistlusID, SUM(punktid_finaalis), COUNT(pealkiri) FROM Laulud GROUP BY VoistlusID HAVING SUM(punktid_finaalis) < 2300 ORDER BY 1 DESC ;