rank heat athlete nationality time notes
rank
heat
athlete
nationality
time
notes
number
number
number
list length
number number text text number <c,text>
1 1 natalya ivanova russia 23.11 q
which country ranks the least ?
WDT NN VBZ DT JJS .
Italy
Keyword Column Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword
select c4 from w order by c1_number desc limit 1
None Column Column Keyword Keyword None
c4 c1_number ['sort', 'sort_desc'] ['sort', 'sort_desc']