Wikidata:Database reports/single sitelink template items
Items for templates with only 1 sitelink: 1000 most recent ones.
Per Wikidata:Notability: "If a link is a template, the item must contain at least two such sitelinks, and any of them must not be one of /doc, /XML, /meta, /sandbox, /testcases or /TemplateData subpages. Items for non-subpages can be created with 1 sitelink, but shouldn't be created in great numbers.".