rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 south korea 11 1 2 14
what is the numerical difference of total medals between the countries with the most and least amount of medals ?
WP VBD-AUX DT JJ NN IN JJ NNS IN DT NNS IN DT RBS CC JJS NN IN NNS .
13
select max ( c6_number ) - min ( c6_number ) from w