Funso (Chichewa): Ndi boma liti lomwe linali ndi kusiyana kwakukulu pakati pa mtengo wokwera ndi wotsika wa chimanga?
Question (English): Which district recorded the highest maize price difference between its maximum and minimum?
Table: commodity_prices (difficulty: medium)
SQL: SELECT district, (MAX(price) - MIN(price)) FROM commodity_prices WHERE commodity = 'Maize' GROUP BY district ORDER BY (MAX(price) - MIN(price)) DESC LIMIT 1;
Result: [('Thyolo', 1355.68)]