rank nation gold silver bronze total
rank
nation
gold
silver
bronze
total
number
number
number
number
number
number text number number number number
1 china 10 5 1 16
how many nations share the seventh rank ?
WRB JJ NNS VBP DT JJ NN .
3
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.Number
select count ( c2 ) from w where c1_number = 7
Keyword Keyword Column None None Literal Column None
['agg', 'agg_count'] ['agg', 'agg_count'] c2 c1_number