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
how many union member voters voted democrat in 1964 ?
WRB JJ NN NN NNS VBD NNP IN CD .
77
select c6_number from w where c1 = 'union member'