What are the top 3 artists with the largest number of songs in the language Bangla?
return artists ;return songs of #1 ;return #2 in the   language Bangla ;return the   number of  #3 for each #1 ;return the   top 3 highest of #4 ;return #1 where #4 is  in #5
['select', 'project', 'filter', 'group', 'aggregate', 'comparative']