Question: what part of atlanta is gwinnett county in
[{'answer': 'north central portion', 'provenance': [{'wikipedia_id': '96769', 'title': 'Gwinnett County, Georgia', 'start_paragraph_id': 1, 'start_character': 35, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '96769', 'title': 'Gwinnett County, Georgia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 318, 'bleu_score': 0.7410427063856021, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9521700141562176148}, 'section': 'Section::::Abstract.'}]}]