Question: average salary of a person in the united states
[{'answer': '$31,099', 'provenance': [{'wikipedia_id': '8028665', 'title': 'Personal income in the United States', 'start_paragraph_id': 1, 'start_character': 287, 'end_paragraph_id': 1, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8028665', 'title': 'Personal income in the United States', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.940033794885305, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13238581953713349162}, 'section': 'Section::::Abstract.'}]}]