rd. grand prix date location pole position fastest lap winning driver constructor report
rd. .
grand prix
date
location
pole position
fastest lap
winning driver
constructor
report
number
number parsed year month day
number text date text text text text text text
1 brazilian grand prix 26 march jacarepagua ayrton senna riccardo patrese nigel mansell ferrari report
what is the total number of times ayrton senna has held the pole position ?
WP VBD-AUX DT JJ NN IN NNS NNP NNP VBD-AUX VBN DT NNP NN .
13
select count ( * ) from w where c5 = 'ayrton senna'