Database: mondial_geo
Question: Which city has most population other than its capital in Bangladesh?
SQL: SELECT T3.Name FROM country AS T1 INNER JOIN province AS T2 ON T1.Code = T2.Country INNER JOIN city AS T3 ON T3.Province = T2.Name WHERE T1.Name = 'Bangladesh' AND T3.Name <> T1.Capital ORDER BY T3.Population DESC LIMIT 1