outcome date tournament surface partnering opponent in the final score in the final
outcome
date
tournament
surface
partnering
opponent in the final
score in the final
number parsed year month day
list length
list length list_first list_second list_first_number list_first_number1 list_first_number2 list_second_number list_second_number1 list_second_number2
text date text text text <n,text> <c,score(score)>
winner 29 apr 2002 $10,000 bournemouth, great britain clay anna hawkins ipek senoglu
christina zachariadou 6-0, 6-0
how many surfaces are grass ?
WRB JJ NNS VBD-AUX NN .
2
select count ( c4 ) from w where c4 = 'grass'