county obama votes romney votes others votes total
county
obama
votes
romney
votes
others
votes
total
number
number
number
number
number
number
number
text percentage number percentage number percentage number number
alameda 78.7% 469,684 18.1% 108,182 3.2% 19,027 596,893
how many counties had at least 75 % of the votes for obama ?
WRB JJ NNS VBD-AUX IN JJS CD NN IN DT NNS IN NNP .
3
select count ( c1 ) from w where c2_number >= 75