rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 japan 18 8 8 34
how many countries won more than 3 bronze metals ?
WRB JJ NNS VBD JJR IN CD NN NNS .
4
select count ( c2 ) from w where c5_number > 3