place player country score to par
place
player
country
score
to par
number
result number number1 number2 number3
number
rank text text score number
1 dustin johnson united states 71-70-66=207 -6
how many golfers in the third round are from the united states ?
WRB JJ NNS IN DT JJ NN VBD-AUX IN DT NNP NNPS .
5
select count ( c2 ) from w where c3 = 'united states'