Question: approximately how much of earth’s water is freshwater
[{'answer': '2.5 -- 2.75 %'}, {'provenance': [{'wikipedia_id': '230001', 'title': 'Fresh water', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 944, 'bleu_score': 0.8997151294158441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10780988374099841790}, 'section': 'Section::::Water distribution.\n'}]}]