pos no driver team laps time/retired grid points
pos
no
driver
team
laps
time\\/retired
grid
points
number
number
number
number hour min sec
number
number
number number text text number time number number
1 5 will power team australia 73 1:45:58.568 7 31
how many drivers earned at least 20 points or more ?
WRB JJ NNS VBN IN JJS CD NNS CC JJR .
5
select count ( c3 ) from w where c8_number >= 20