{
  "fields": [{"id":"_id","type":"int"},{"id":"column_name","type":"text"},{"id":"column_type","type":"text"},{"id":"description","type":"text"}],
  "records": [
    [1,"_id","Number","ลำดับรายการ"],
    [2,"crash_date","Date","วันที่เกิดเหตุขัดข้อง (YYYY-MM-DDT00:00:00)"],
    [3,"crash_time","Time","เวลาที่เกิดเหตุขัดข้อง (HH:MI:SS)"],
    [4,"expw_step","String","ชื่อทางพิเศษที่เกิดอุบัติเหตุ"],
    [5,"cause","String","สาเหตุรถขัดข้อง"]
]}