Question: how close is round rock texas to austin texas
[{'answer': 'shares a common border', 'provenance': [{'wikipedia_id': '151245', 'title': 'Round Rock, Texas', 'start_paragraph_id': 2, 'start_character': 429, 'end_paragraph_id': 2, 'end_character': 451, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '151245', 'title': 'Round Rock, Texas', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 489, 'bleu_score': 0.9140030316935011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1473427193398816962}, 'section': 'Section::::Abstract.'}]}]