rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
first second
number
number
number
number
number text(text) number number number number
1 china (chn) 14 14 13 41
what is the number of countries who have a total of 0 bronze medals ?
WP VBD-AUX DT NN IN NNS WP VBD-AUX DT NN IN CD NN NNS .