CREATE TABLE table_64502 ("Track" TEXT, "Song Title" TEXT, "Writer ( s ) " TEXT, "Original Artist" TEXT, "Original Release" FLOAT, "Length" TEXT)

What is the Original Artis of the Track with a Length of 2:38?
SELECT "Original Artist" FROM table_64502 WHERE "Length" = '2:38'
SELECT "Original Artist" FROM "table_64502" WHERE "Length" = '2:38'