rank name nation cp fp points placings
rank
name
nation
cp
fp
points
placings
number
number
number
number
number
number text text number number number number
1 beatrix schuba austria 1 7 2763.0 10
how many times does the unites states appear in the nations column ?
WRB JJ NNS VBD-AUX DT NNS NNS VBP IN DT NNS NN .
3
select count ( * ) from w where c3 = 'united states'