Question: This New Hampshire park, which originally opened as a trolley park with botanical gardens and is run by a few local families, is located in which town that has about a population of 29,000 as of 2010?
{'answer': 'Salem', 'supporting_facts': [['Canobie Lake Park', 0], ['Canobie Lake Park', 1], ['Canobie Lake Park', 2], ['Salem, New Hampshire', 1]]}