Funso (Chichewa): Kodi mulingo wa P/E ya NICO waposachedwa ndi chani? 
Question (English): What is the latest P/E ratio for NICO?
Table: mse_daily (difficulty: easy)
SQL: SELECT pe_ratio, MAX(trade_date) AS max_trade_date FROM mse_daily WHERE ticker = 'NICO';
Result: [(25.2, '2025-09-10')]