{"version":"1.0","type":"rich","title":"Q1. A1.","description":"This example shows the top five countries by population in 2020 as a pie chart with a color-coded legend, using data from a CSV file loaded via `d3.csv`. The pie slices are generated with `d3.pie` and `d3.arc`, colored by `d3.schemeCategory10`, and rendered as SVG paths. A legend, built with appended `rect` and `text` elements, maps each country to its slice color.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e18d67d722894485bd083105970ec8d0?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}