rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 belgium 6 0 3 9
which is the only country that has won 6 gold medals ?
WDT VBD-AUX DT JJ NN WDT VBD-AUX VBN CD NN NNS .
Belgium
select c2 from w where c3_number = 6