date winner yacht loser yacht score delta
date
winner
yacht
loser
yacht
score
delta
number parsed year month day
number number1 number2
number min sec
date text text text text score time
september 14, 1983 liberty us-40 australia ii ka-6 1-0 1:10
did the australia ii win more or less races than the liberty ?
VBD-AUX DT NNP NNP VB JJR CC JJR NNS IN DT NN .
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select ( select count ( * ) from w where c2 = 'australia ii' ) - ( select count ( * ) from w where c2 = 'liberty' )