team no driver class chassis engine
team
no
driver
class
chassis
engine
number
list length
text number text text <f,text> text
carlin motorsport 1 james courtney c dallara f302 mugen-honda
how many teams had at least two drivers this season ?
WRB JJ NNS VBD-AUX IN JJS CD NNS DT NN .
17
select count ( * ) from ( select c1 from w group by c1 having count ( c3 ) >= 2 )