Funso (Chichewa): Ndi boma liti lomwe lidali ndi mtengo okwera wa chimanga posachedwapa?
Question (English): Which district recorded the highest maize price on the most recent date?
Table: commodity_prices (difficulty: hard)
SQL: SELECT district, MAX(price) AS max_price FROM commodity_prices WHERE commodity = 'Maize' AND collection_date = (SELECT MAX(collection_date) FROM commodity_prices WHERE commodity = 'Maize');
Result: [('Rumphi', 764.45)]