Question: when was the ngi system first used by the fbi
[{'answer': 'February 2011', 'provenance': [{'wikipedia_id': '17284440', 'title': 'Next Generation Identification', 'start_paragraph_id': 1, 'start_character': 563, 'end_paragraph_id': 1, 'end_character': 576, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17284440', 'title': 'Next Generation Identification', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 576, 'bleu_score': 0.977139080690077, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9709277576040690310}, 'section': 'Section::::Abstract.'}]}]