Question: What is the Genre when the Artist is Prince?
SQL: SELECT "Genre" FROM "2-1291598-4" WHERE "Artist" = 'Prince';

Question: What is the Genre, when the Release-year of first charted record is 1968, and when the Country of origin is United States?
SQL: SELECT "Genre" FROM "2-1291598-4" WHERE "Release-year of first charted record" = 1968.0 AND "Country of origin" = 'United States';