poll source sample size margin of error date democrat % republican %
poll source
sample size
margin of error
date
democrat
%
republican
%
number
number
minimum_number minimum_parsed minimum_day minimum_month minimum_year maximum_number maximum_parsed maximum_day maximum_month maximum_year
number
number
text number number timespan text number text number
rasmussen reports 500 4.5 mar 31, 2008 hillary clinton 36 john mccain 51
in the 2008 presidential primary polling in iowa in 2008 , how many times did a democrat have at least 50 % of the vote ?
IN DT CD JJ JJ NN IN NNP IN CD , WRB JJ NNS VBD-AUX DT NNP VBD-AUX IN JJS CD NN IN DT NN .