The Great Hall of Eltham Palace is the historic setting for this week's Mastermind.The Royal Army Educational Corps host four contenders from the south east of England who seek the title of Mastermind 1987.Stanley Todd (retired teacher) Chamber music, 1750-1950 Ann Kelly (housewife) The life and works of Sean O'Casey Marcia King (patchwork designer) History of the White Star shipping lineAlistair Hanson (diamond valuator) Life and works of Franz Kafka