Funso (Chichewa): Kodi mtengo wapakatikati wa chimanga wapompano ndi uti?
Question (English): What is the average maize price recorded on the most recent date?
Table: commodity_prices (difficulty: hard)
SQL: SELECT AVG(price) FROM commodity_prices WHERE commodity = 'Maize' AND collection_date = (SELECT MAX(collection_date) FROM commodity_prices WHERE commodity = 'Maize');
Result: [(599.5864912289475,)]