This is the final competition of the first-round heats, and apart from tonight's winner, the four best losers over the 12 heats will become known, moving forward to take their place in the special runners-up semi-final. Contenders: OLGA KEVELOS, licensee, Genghis KhanPAUL BOLITHO, librarian History of British Methodism ANTHONY TOOHER, teacher, Life and works of Sir Edward ElgarMICHAEL WALKER, civil engineering technician, Alaska and the Yukon Territory