Question: what time was it when the first plane hit the twin towers
[{'answer': '8 : 46 : 40'}, {'provenance': [{'wikipedia_id': '169721', 'title': 'Timeline for the day of the September 11 attacks', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 163, 'bleu_score': 0.8459547884985751, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3239044358316102325}, 'section': 'Section::::Major events.\n'}]}]