Question: where does spring water found in mountains come from
[{'answer': 'an aquifer', 'provenance': [{'wikipedia_id': '316612', 'title': 'Spring (hydrology)', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '316612', 'title': 'Spring (hydrology)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 0.688532621453905, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4509986958944037045}, 'section': 'Section::::Abstract.'}]}]