Funso (Chichewa): Kodi mtengo wotsika kwambiri wotseka womwe NBS Bank inagulitsa ndi uti?
Question (English): What is the lowest closing price recorded for NBS Bank?
Table: mse_daily (difficulty: easy)
SQL: SELECT MIN(close_price) FROM mse_daily WHERE company_name = 'NBS Bank';
Result: [(20.44,)]