{
  "fields": [{"id":"_id","type":"int"},{"id":"unsafe_","type":"text","info":{"label":"Electorate"}},{"id":"Electorate","type":"numeric","info":{"label":"Poll"}},{"id":"Poll","type":"numeric","info":{"label":"Unnamed Column"}}],
  "records": [
    [1,"County Councils",1338709,718513],
    [2,"County Boroughs",377948,168135],
    [3,"Urban District Councils",190932,107235],
    [4,"Town Commissioners",25000,17500],
    [5,"Total",1932589,1011383],
    [6,null,null,null],
    [7,"Percentage poll (turnout)",0.52,null]
]}