SELECT Famous_Release_date FROM artist ORDER BY Age DESC LIMIT 1
SELECT Famous_Release_date FROM artist ORDER BY Age DESC LIMIT 1 <table_name> : artist col : Artist_ID | Artist | Age | Famous_Title | Famous_Release_date row 1 : 1 | Gorgoroth | 34 | Bergen 1996 | November 2007 row 2 : 2 | Ophiolatry | 35 | Transmutation | January 21, 2008 row 3 : 3 | Ophiolatry | 22 | Antievangelistical Process (re-release) | 2009 row 4 : 4 | Black Flame | 18 | Imperivm | June 23, 2008 row 5 : 5 | Tangorodrim | 35 | Unholy Metal Way (re-release) | 2009 row 6 : 6 | Tangorodrim | 27 | Those Who Unleashed (re-release) | 2009 row 7 : 7 | Triumfall | 49 | Antithesis of All Flesh | June 15, 2009
col : Famous_Release_date row 1 : June 15, 2009