rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 russia 8 12 10 30
how many countries do not have any gold medals ?
WRB JJ NNS VBD-AUX RB VBD-AUX DT NN NNS .
14
select count ( c2 ) from w where c3_number = 0