[blackbear_]

Wikidata [1]! They also offer a SPARQL endpoint [2], which you can use to programmatically answer those kind of questions. As an example, the page for Taylor Swift is [3].

[1] https://www.wikidata.org/wiki/Wikidata:Main_Page

[2] https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service/...

[3] https://www.wikidata.org/wiki/Q26876