CREATE TABLE table_57813 ("Year" FLOAT, "Theme" CLOB, "Artist" CLOB, "Composition" CLOB, "Mintage" FLOAT, "Issue Price" CLOB)

Which artist has a Mintage of 500?
SELECT "Artist" FROM table_57813 WHERE "Mintage" = '500'
SELECT "Artist" FROM "table_57813" WHERE "Mintage" = '500'