{"mapId":"westminster_constituencies","name":"Westminster constituencies","totalFeatureCount":632,"columns":["fid","Name","Country","Region"],"rows":[["1","Aberdeenshire North and Moray East Co Const","Scotland","Scotland"],["2","Airdrie and Shotts Co Const","Scotland","Scotland"],["3","Alloa and Grangemouth Co Const","Scotland","Scotland"],["4","Alyn and Deeside Co Const","Wales","Wales"],["5","Amber Valley Co Const","England","East Midlands"],["6","Angus and Perthshire Glens Co Const","Scotland","Scotland"],["7","Arbroath and Broughty Ferry Co Const","Scotland","Scotland"],["8","Arundel and South Downs Co Const","England","South East"],["9","Ashfield Co Const","England","East Midlands"],["10","Ashford Co Const","England","South East"]],"rowCount":10,"columnCount":4}