{"database": "openregs", "table": "fr_regs_crossref", "rows": [["C1-2021-17388", "EPA-HQ-OPPT-2019-0359-0302"]], "columns": ["fr_document_number", "regs_document_id"], "primary_keys": ["fr_document_number", "regs_document_id"], "primary_key_values": ["C1-2021-17388", "EPA-HQ-OPPT-2019-0359-0302"], "units": {}, "query_ms": 87.64746703673154, "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"}