{"database": "ctc-catalogue", "table": "pencil_puzzles", "rows": [[540, "Playfair #540", "2019-01-11", "[\"Mark\"]", "Playfair", null, "[\"Classic\"]", "{\"alt\":\"Cracking a Playfair code\",\"caption\":\"Cracking a Playfair code\",\"img_src\":\"https://img.youtube.com/vi/n6ljkcJXVFY/mqdefault.jpg\",\"href\":\"https://www.youtube.com/watch?v=n6ljkcJXVFY\"}", "00:23:16", 24]], "columns": ["Id", "Puzzle Title", "Date", "Solver", "Type", "Setter", "Constraints", "Video", "Video Length", "Video Length (Minutes)"], "primary_keys": ["Id"], "primary_key_values": ["540"], "units": {"Video Length (Minutes)": "minute"}, "query_ms": 70.89325900597032, "source": "Cracking the Cryptic Catalogue", "source_url": "https://docs.google.com/spreadsheets/d/1rVqAjm-l_Urjd3TNmIc3SmTmz_OlgSoBuhY7RPgiuRg/edit?usp=sharing"}