Funso (Chichewa): Mtedza otchipitsitsa ukupezeka mboma liti?
Question (English): Which district has the lowest price for groundnuts?
Table: commodity_prices (difficulty: hard)
SQL: SELECT district, AVG(price) AS Avg_price FROM commodity_prices
WHERE commodity = 'Groundnuts'
  AND collection_date = (
      SELECT MAX(collection_date)
      FROM commodity_prices
      WHERE commodity = 'Groundnuts'
  );
Result: [('Karonga', 2169.49)]