Funso (Chichewa): Ndi boma liti lomwe lili ndi mtengo wokwera kwambili wa mpunga mwaposachedwapa?
Question (English): Which district has the highest Rice price on the most recent collection date?
Table: commodity_prices (difficulty: hard)
SQL: SELECT district, MAX(price) AS max_price
FROM commodity_prices
WHERE commodity = 'Rice'
  AND collection_date = (
      SELECT MAX(collection_date)
      FROM commodity_prices
      WHERE commodity = 'Rice'
  )
GROUP BY district
ORDER BY max_price DESC
LIMIT 1;
Result: [('Mangochi', 3034.636)]