Question: what is the per capita personal income of the united states
[{'answer': '$38,611'}, {'provenance': [{'wikipedia_id': '7415504', 'title': 'Per capita personal income in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 881, 'bleu_score': 0.9463348487606941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11111476026797788024}, 'section': 'Section::::Abstract.'}]}]