Funso (Chichewa): Ndi tsiku liti lomwe Illovo Sugar Malawi inatseka ndi mtengo okwera kwambiri?
Question (English): On which date did Illovo Sugar Malawi record its highest closing price?
Table: mse_daily (difficulty: easy)
SQL: SELECT trade_date, MAX(close_price) AS max_close_price FROM mse_daily WHERE company_name = 'Illovo Sugar Malawi';
Result: [('2025-03-18', 1791.75)]