rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 china 41 27 13 81
in the 2003 summer universiade , which three countries had at least 18 bronze medals ?
IN DT CD NN NN , WDT CD NNS VBD-AUX IN JJS CD NN NNS .
Russia|Japan|United States
select c2 from w where c5_number >= 18