Funso (Chichewa): Kodi mtengo wotsika kwambiri wa nyemba ku Mzimba unali bwanji posachedwapa?
Question (English): What is the minimum Beans price recorded in Mzimba on the most recent collection date?
Table: commodity_prices (difficulty: hard)
SQL: SELECT district, MIN(price) AS min_price
FROM commodity_prices
WHERE commodity = 'Beans'
  AND district = 'Mzimba'
  AND collection_date = (
      SELECT MAX(collection_date)
      FROM commodity_prices
      WHERE commodity = 'Beans'
  )
GROUP BY district;
Result: [('Mzimba', 2436.45)]