1948 1952 1956 1960 1964
1948
1952
1956
1960
1964
number
number
number
number
number
text number number number number number
all voters 50 45 42 50 61
what is the difference between white voters and black voters in 1948 ?
WP VBD-AUX DT NN IN JJ NNS CC JJ NNS IN CD .
0
select abs ( ( select c2_number from w where c1 = 'white' ) - ( select c2_number from w where c1 = 'black' ) )