Question: As of the 2010 census, does Dongguan or Tongzhou District, Beijing have a larger population?
{'answer': 'Dongguan', 'supporting_facts': [['Dongguan', 0], ['Dongguan', 1], ['Dongguan', 2], ['Dongguan', 3], ['Dongguan', 4], ['Tongzhou District, Beijing', 4]]}