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
how many sliver medal does bermuda has
WRB JJ NN NN VBD-AUX NNP VBD-AUX
4
select c4_number from w where c2 = 'bermuda'