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 21 9 12 42
the us and china are tied in total medal count . which country has more silver medals , the us or china ?
DT NNP CC NNP VBD-AUX VBN IN JJ NN NN . WDT NN VBD-AUX JJR NN NNS , DT NNP CC NNP .