question: What are the names of banks that have loaned money to customers with credit scores below 100?
#1 return banks 
#2 return customers that  #1 loaned money to  
#3 return credit scores of #2 
#4 return #2 where #3 is  below 100 
#5 return number of  #4 for each #1 
#6 return #1 where #5 is  at least one 
#7 return the  names of #6