rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 united states 12 13 6 31
what country with more than 20 total medals has the least amount of silver medals ?
WDT NN IN JJR IN CD JJ NNS VBD-AUX DT JJS NN IN NN NNS .
Russia
Keyword Column Keyword Keyword Keyword Column Keyword Literal.Number Keyword Keyword Column Keyword Keyword Keyword
select c2 from w where c6_number > 20 order by c4_number asc limit 1
None Column None Keyword Keyword Literal Column None None Keyword Keyword Keyword Keyword Column None None
c2 ['comp', 'comp_greater'] ['comp', 'comp_greater'] c6_number ['sort', 'sort_asc'] ['sort', 'sort_asc'] ['sort', 'sort_asc'] ['sort', 'sort_asc'] c4_number