Question: The Balfour Building is located at the Northeast corner of Spadina Avenue and Adelaide Street in downtown Toronto, Ontario, Canada, it was named after Arthur J. Balfour, author of which public statement issued by the British government during World War I announcing support for the establishment of a "national home for the Jewish people" in Palestine, then an Ottoman region with a minority Jewish population?
{'answer': 'Balfour Declaration', 'supporting_facts': [['Balfour Building', 1], ['Balfour Declaration', 0]]}