Find the name of bank branch that provided the greatest total amount of loans to customers with credit score is less than 100.
return customers ;return credit scores of #1 ;return #1 where #2 is  less than  100 ;return loans to  #3 ;return amounts of #4 ;return sum of #5 for each bank branch ;return bank branch where #6 is  highest
['select', 'project', 'comparative', 'project', 'project', 'group', 'project']