{"database": "openregs", "table": "hearing_witnesses", "rows": [[60493, "CHRG-112jhrg74323", "Dr. Michael Greenstone", "Director, 3M Professor of Economics", "Hamilton Project, MIT, Washington, DC", "HAMILTON PROJECT, MIT, WASHINGTON, DC", "and Cambridge, MA"]], "columns": ["id", "package_id", "name", "title", "organization", "organization_normalized", "location"], "primary_keys": ["id"], "primary_key_values": ["60493"], "units": {}, "query_ms": 11.485872906632721, "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"}