CREATE TABLE table_28482 ("Week #" CLOB, "Theme" CLOB, "Song choice" CLOB, "Original artist" CLOB, "Order #" CLOB, "Result" CLOB)

who is the original artist for the song ' rhiannon '?
SELECT "Original artist" FROM table_28482 WHERE "Song choice" = ' Rhiannon '
SELECT "Original artist" FROM "table_28482" WHERE "Song choice" = ' Rhiannon '