{"version":"1.0","type":"rich","title":"Line Chart","description":"This line chart displays the US unemployment rate from 1920 to 1980. It uses D3 v5 with scales from `d3.scaleLinear` and `d3.scaleTime`, and axes from `d3.axisLeft` and `d3.axisBottom`. The line is generated with `d3.line`, and the data is loaded as CSV from a GitHub gist. The SVG rendering includes styled grid lines, axis labels, and a title, with the blue stroke path emphasized via CSS.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e69cd060884b4d3dbd099a2fb9949fb6?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}