Question: when did lucent technologies spin off from at&t
[{'answer': 'September 30 , 1996', 'provenance': [{'wikipedia_id': '18157', 'title': 'Lucent', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 199, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18157', 'title': 'Lucent', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 336, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15198306069898910060}, 'section': 'Section::::Abstract.'}]}]