{"database": "openregs", "table": "hearings", "rows": [["CHRG-91hhrg50146", "Environmental pollution: discharge of raw human wastes from railroad trains: hearings before a subcommittee of the Committee on Government Operations, House of Representatives, Ninety-first Congress, second session, July 28, 1970.", "HOUSE", 91, "2", "1970-07-28", "[{\"name\": \"Committee on Government Operations\", \"chamber\": \"House\", \"full_hierarchy\": \"United States > Congress > House of Representatives > Committee on Government Operations\"}]", "https://www.govinfo.gov/app/details/CHRG-91hhrg50146", null, "https://www.govinfo.gov/content/pkg/CHRG-91hhrg50146/pdf/CHRG-91hhrg50146.pdf"]], "columns": ["package_id", "title", "chamber", "congress", "session", "date_issued", "committees", "detail_url", "html_url", "pdf_url"], "primary_keys": ["package_id"], "primary_key_values": ["CHRG-91hhrg50146"], "units": {}, "query_ms": 5.696746055036783, "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"}