rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 russia 3 0 2 5
what is the difference between the number of medals earned by the highest earning country and the lowest earning country ?
WP VBD-AUX DT NN IN DT NN IN NNS VBN IN DT JJS NN NN CC DT JJS NN NN .
4
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword
select max ( c6_number ) - min ( c6_number ) from w
None None None Keyword Keyword None None None Column None None Keyword Keyword None None Keyword Keyword Keyword None None None
['before', 'before_minus'] ['before', 'before_minus'] c6_number ['max', 'max_max'] ['max', 'max_max'] ['before', 'before_minus'] ['max', 'max_min'] ['max', 'max_min']