no driver entrant constructor chassis engine tyre
no
driver
entrant
constructor
chassis
engine
tyre
number
number text text text text text text
2 johnny claes ecurie belge talbot-lago talbot-lago t26c-da talbot 23cv 4.5 l6 d
how many drivers used maserati as their constructor ?
WRB JJ NNS VBN NNP IN PRP$ NN .
2
select count ( c2 ) from w where c4 = 'maserati'