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 17 5 5 27
how many nations ranked in last with 0 total medals ?
WRB JJ NNS VBD IN JJ IN CD JJ NNS .
37
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.Number
select count ( c2 ) from w where c6_number = 0
Keyword Keyword Column None None None None Literal Column Column None
['agg', 'agg_count'] ['agg', 'agg_count'] c2 c6_number c6_number