Iwata Asks was a website by Nintendo that had interviews by former CEO of Nintendo, Saturo Iwata. The interviews were about various Nintendo products.
https://iwataasks.nintendo.com/interviews/#/ds/dsi/0/0. Then, remove the volume and chapter markers (in this case, they are both 0). That leaves you with
https://iwataasks.nintendo.com/interviews/#/ds/dsi. Replace everything before the category and name (in this case "ds" and "dsi", respectively) with
https://iwataasks.nintendo.com/_ui/xml/. That would leave you with
https://iwataasks.nintendo.com/_ui/xml/ds/dsi.xml. You can get other languages with
https://iwataasks.nintendo.com/_ui/xml/ds/xx/dsi.xml. AFAIK, the only two available ones are