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$ zgrep -i Jean-Paul_Sartre cross-verified-database.csv.gz
Q9364,1905,1980,,circa,1905,1905,1980,1980,Male,Culture,Jean-Paul_Sartre,Western Europe,1905,1980,(...),France,'France',France,,D:_'France'_matchB1_P:_'France',France,Missing,enwiki(...)
So probably it's a mistake from "notable-people" rather than the original data record.
[0] https://www.nature.com/articles/s41597-022-01369-4#Sec28
[1] https://data.sciencespo.fr/dataset.xhtml?persistentId=doi:10...