Funso (Chichewa): Kodi chimanga chikugulitsidwa pa mtengo wanji ku Rumphi?
Question (English): What is the price of Maize in Rumphi
Table: commodity_prices (difficulty: hard)
SQL: SELECT district, AVG(price) as average_price FROM commodity_prices WHERE commodity = 'Maize' AND collection_date = (SELECT MAX(collection_date) FROM commodity_prices WHERE commodity = 'Maize') AND district = 'Rumphi' GROUP BY district;
Result: [('Rumphi', 764.445)]