year champion score runner-up total
prize money champion runner-up
year
champion
score
runner up
total prize money
champion
runner up
number
number
number
number
number text number text unitnum unitnum unitnum
2001 ravi sandiran thanawat gaweenuntavong sgd 3,600 sgd 1,600 sgd 800
how many years do not have a runner up ?
WRB JJ NNS VBD-AUX RB VBD-AUX DT NN RP .
1
select count ( c1 ) from w where c4 is null