rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 puerto rico 17 27 13 57
what country had the top number of silver medals ?
WDT NN VBD-AUX DT JJ NN IN NN NNS .
Puerto Rico
select c2 from w order by c4_number desc limit 1