pos no driver constructor laps time/retired grid points
pos
no
driver
constructor
laps
time\\/retired
grid
points
number
number
number
number hour min sec
number
number
rank number text text number time number number
1 15 sebastian vettel red bull-renault 56 1:57:43.485 1 10
what is the total number of drivers on the list ?
WP VBD-AUX DT JJ NN IN NNS IN DT NN .
20
Keyword Keyword Keyword Column Keyword Keyword Keyword
select count ( c3 ) from w
None None Keyword Keyword Keyword Keyword Column None None None None
['agg', 'agg_count'] ['agg', 'agg_count'] ['agg', 'agg_count'] ['agg', 'agg_count'] c3