{
 "answer": "Frankfurt has approximately 1,770.85 kilometres of road. This total is derived from the `roads` table.",
 "model": "qwen3:8b",
 "seconds": 7.5,
 "queries": [
  {
   "sql": "SELECT SUM(length_km) AS total_length_km FROM roads;",
   "purpose": "Sum the total length of roads in Frankfurt am Main.",
   "ok": true,
   "rows": 1,
   "error": null,
   "seconds": 0.0,
   "by": "model"
  },
  {
   "sql": "SELECT class, SUM(length_km) AS km FROM roads  GROUP BY class ORDER BY km DESC LIMIT 12",
   "purpose": "breakdown added by Kartograf",
   "ok": true,
   "rows": 5,
   "error": null,
   "seconds": 0.0,
   "by": "kartograf"
  }
 ],
 "chart": {
  "type": "bar",
  "label": "class",
  "value": "km",
  "rows": [
   {
    "label": "secondary",
    "value": 503.7802000000013
   },
   {
    "label": "motorway",
    "value": 460.27009999999984
   },
   {
    "label": "tertiary",
    "value": 361.3522999999995
   },
   {
    "label": "primary",
    "value": 238.80220000000023
   },
   {
    "label": "trunk",
    "value": 206.64080000000007
   }
  ],
  "table": "roads"
 },
 "map": null,
 "captured": "2026-10-06, server.py on localhost, qwen3:8b think=False, Overture 2026-09-23.1"
}