rank athlete nationality time notes
rank
athlete
nationality
time
notes
number
number hour min sec
number text text time text
4 valeriy borchin russia 1:19:56 sb
how many competitors were from russia ?
WRB JJ NNS VBD-AUX IN NNP .
4
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.String
select count ( c2 ) from w where c3 = 'russia'
Keyword Keyword Column None Column Literal None
['agg', 'agg_count'] ['agg', 'agg_count'] c2 c3