rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 brazil 9 0 0 9
who is the only country to win only golds ?
WP VBD-AUX DT JJ NN TO VB RB NNS .
Brazil
select c2 from w where c4_number = 0 and c5_number = 0