outcome no. date championship surface opponent in the final score in the final
outcome
no .
date
championship
surface
opponent in the final
score in the final
number
number
address
list length list_number list_number1 list_number2
text number number address text text <c,score>
runner-up 1 1975 bastad, sweden clay manuel orantes 0-6, 3-6
how many courts are clay ?
WRB JJ NNS VBD-AUX NN .
26
select count ( * ) from w where c5 = 'clay'