n p nat. name age moving from type transfer
window ends transfer
fee
n
p
nat .
name
age
moving from
type
transfer window
ends
transfer fee
number
number
number
number
number text text text number text text text number unitnum
20 rw por nuno capucho 31 porto transfer summer 2005 £0.67m
how many players had a free transfer fee ?
WRB JJ NNS VBD-AUX DT JJ NN NN .
8
Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.String
select count ( c4 ) from w where c10 = 'free'
Keyword Keyword Column None None Literal Column Column None
['agg', 'agg_count'] ['agg', 'agg_count'] c4 c10 c10