year competition venue position event notes
year
competition
venue
position
event
notes
number
address
number
number hour min sec
number text address rank text time
1994 european championships helsinki, finland 48th marathon 2:22:49
how many marathons was the result a first place finish ?
WRB JJ NNS VBD-AUX DT NN DT JJ NN NN .
5
select count ( * ) from w where c4_number = 1