{"database": "openregs", "table": "legislation_subjects", "rows": [["97-hres-252", "Air pollution control"]], "columns": ["bill_id", "subject"], "primary_keys": ["bill_id", "subject"], "primary_key_values": ["97-hres-252", "Air pollution control"], "units": {}, "query_ms": 19.440815085545182, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}