pos. name place of birth date of birth previous club date joined fee
pos .
name
place of birth
date of birth
previous club
date joined
fee
number parsed year month day
number parsed year month day
text text text date text date text
gk alan buck colchester 25 august 1946 youth team 1 august 1964 free
how many players are listed as df ?
WRB JJ NNS VBD-AUX VBN IN NN .
6
select count ( c2 ) from w where c1 = 'df'