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 7 6 1 14
how many teams did not win any gold medals in this event ?
WRB JJ NNS VBD-AUX RB VB DT NN NNS IN DT NN .
2
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Keyword
select count ( c2 ) from w where c3_number = 0
Keyword Keyword Column None Literal None Literal Column None None None None None
['agg', 'agg_count'] ['agg', 'agg_count'] c2 c3_number