what qbs are in the hall of fame?
['TROY AIKMAN. Class of 2006. 1989-2000 Dallas Cowboys. ... ', 'GEORGE BLANDA. Class of 1981. ... ', 'TERRY BRADSHAW. Class of 1989. ... ', 'LEN DAWSON. Class of 1987. ... ', 'JOHN ELWAY. Class of 2004. ... ', 'DAN FOUTS. Class of 1993. ... ', 'OTTO GRAHAM. Class of 1965. ... ', 'BOB GRIESE. Class of 1990.']