Question: In what year was The Struggle for Mastery in Europe, by A. J. P. Taylor, published by the Clarendon
{'answer': '1954', 'supporting_facts': [['The Struggle for Mastery in Europe 1848–1918', 0], ['The Struggle for Mastery in Europe 1848–1918', 1], ['A. J. P. Taylor', 0]]}