Funso (Chichewa):  Kodi mtengo wa nyemba wapakatikati ndi uti pakadali pano?
Question (English): What is the average price of Beans on the most recent collection date?
Table: commodity_prices (difficulty: hard)
SQL: SELECT AVG(price) AS average_price
FROM commodity_prices
WHERE commodity = 'Beans'
  AND collection_date = (
      SELECT MAX(collection_date)
      FROM commodity_prices
      WHERE commodity = 'Beans'
  );
Result: [(2704.912755319149,)]