CREATE TABLE table_65980 ("Rank" FLOAT, "Artist" CLOB, "Album" CLOB, "Peak position" FLOAT, "Sales" FLOAT, "Certification" CLOB)

Which artist had a 4x platinum?
SELECT "Artist" FROM table_65980 WHERE "Certification" = '4x platinum'
SELECT "Artist" FROM "table_65980" WHERE "Certification" = '4x platinum'