Question: where did the 911 plane crash in pa
[{'answer': 'Somerset County , Pennsylvania', 'provenance': [{'wikipedia_id': '31978', 'title': 'United Airlines Flight 93', 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 218, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31978', 'title': 'United Airlines Flight 93', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 587, 'bleu_score': 0.9147192115400311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6322780942047060431}, 'section': 'Section::::Abstract.'}]}]