Funso (Chichewa): Ndi ganthambi iti yomwe ili ndi makampani ambiri olembetsedwa?
Question (English): Which sector has the largest number of listed companies?
Table: mse_daily (difficulty: medium)
SQL: SELECT sector, COUNT(DISTINCT company_name) FROM mse_daily GROUP BY sector ORDER BY COUNT(DISTINCT company_name) DESC LIMIT 1;
Result: [('Banking', 5)]