Find the top 3 artists who have the largest number of songs works whose language is Bangla.
SELECT T1.artist_name FROM artist AS T1 JOIN song AS T2 ON T1.artist_name  =  T2.artist_name WHERE T2.languages  =  "bangla" GROUP BY T2.artist_name ORDER BY count(*) DESC LIMIT 3
SELECT T1.artist_name FROM artist AS T1 JOIN song AS T2 ON T1.artist_name  =  T2.artist_name WHERE T2.languages  =  "bangla" GROUP BY T2.artist_name ORDER BY count(*) DESC LIMIT 3
[{'artist_name': 'Topu'}, {'artist_name': 'Shrikanta'}, {'artist_name': 'Prity'}]