What is the full name and id of the customer who has the lowest total amount of payment?
return customers ;return payments of #1 ;return sum of #2 for each #1 ;return #1 where #3 is lowest ;return full name of #4 ;return id of #4 ;return #5 ,  #6
['select', 'project', 'group', 'superlative', 'project', 'project', 'union']