Question: how far is berkley springs wv from martinsburg wv
[{'answer': '26 miles', 'provenance': [{'wikipedia_id': '138541', 'title': 'Berkeley Springs, West Virginia', 'start_paragraph_id': 14, 'start_character': 142, 'end_paragraph_id': 14, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Geography.\n'}]}, {'provenance': [{'wikipedia_id': '138541', 'title': 'Berkeley Springs, West Virginia', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 353, 'bleu_score': 0.7146963638814801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14305177606352744430}, 'section': 'Section::::Geography.\n'}]}]