Funso (Chichewa): Ndi mbewu ziti zomwe zinali ndi mtengo wapakatikati wokwera kwambiri ku Lilongwe?
Question (English): Which commodity had the highest average price in Lilongwe?
Table: commodity_prices (difficulty: easy)
SQL: SELECT commodity, AVG(price) AS Avg_price FROM commodity_prices WHERE district = 'Lilongwe';
Result: [('Maize', 1686.16)]