{
  "fields": [{"id":"_id","type":"int"},{"id":"構造","type":"text"},{"id":"戸数","type":"numeric"}],
  "records": [
    [1,"木造",1530],
    [2,"簡易耐火平屋",36],
    [3,"簡易耐火二階",0],
    [4,"低層耐火",94],
    [5,"中層耐火",9302],
    [6,"高層耐火",1057]
]}