Question: Which downtown neighboorhood was annexed by Albany in 1815?
{'answer': 'Arbor Hill', 'supporting_facts': [['Neighborhoods of Albany, New York', 1], ['Neighborhoods of Albany, New York', 2], ['Arbor Hill, Albany, New York', 0], ['Arbor Hill, Albany, New York', 3], ['Arbor Hill, Albany, New York', 4], ['Arbor Hill, Albany, New York', 5]]}