season series team races wins poles fast laps points pos.
season
series
team
races
wins
poles
fast laps
points
pos .
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
number
number
number
number
number
number
timespan text text number number number number number rank
2001 formula one prost 4 0 0 0 0 9th
which season held the most series ?
WDT NN VBD DT JJS NN .
2001
select c1 from w group by c1 order by count ( c2 ) desc limit 1