{"database": "saraphina", "table": "oura_spo2", "rows": [["9bb3a249-f5e1-4017-a478-871563985e6d", "2026-07-19", "null", "{\"id\": \"9bb3a249-f5e1-4017-a478-871563985e6d\", \"breathing_disturbance_index\": 0, \"day\": \"2026-07-19\", \"spo2_percentage\": null}"]], "columns": ["id", "day", "spo2_percentage", "raw_json"], "primary_keys": ["id"], "primary_key_values": ["9bb3a249-f5e1-4017-a478-871563985e6d"], "units": {}, "query_ms": 0.42146816849708557}