{"database": "data", "table": "metadata", "rows": [["last_built", "Sat 15 Jul 2023 09:34:04 PM EDT"]], "columns": ["key", "value"], "primary_keys": ["key"], "primary_key_values": ["last_built"], "units": {}, "query_ms": 647.4754884839058, "license": "Open Database License (ODbL) v1.0", "license_url": "https://opendatacommons.org/licenses/odbl/1-0/"}