Question: how far is murrysville pa from pittsburgh pa
[{'answer': 'roughly 20 miles', 'provenance': [{'wikipedia_id': '134164', 'title': 'Murrysville, Pennsylvania', 'start_paragraph_id': 3, 'start_character': 77, 'end_paragraph_id': 3, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Geography.\n'}]}, {'provenance': [{'wikipedia_id': '134164', 'title': 'Murrysville, Pennsylvania', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 316, 'bleu_score': 0.6424997425157031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2127394608146755194}, 'section': 'Section::::Geography.\n'}]}]