Question: when would glycogen need to be converted back to glucose
[{'answer': 'for energy', 'provenance': [{'wikipedia_id': '168986', 'title': 'Glycogen', 'start_paragraph_id': 13, 'start_character': 143, 'end_paragraph_id': 13, 'end_character': 153, 'bleu_score': 1.0, 'section': 'Section::::Functions.:Liver.\n'}]}, {'provenance': [{'wikipedia_id': '168986', 'title': 'Glycogen', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 416, 'bleu_score': 0.9226596185977011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15916183100984019913}, 'section': 'Section::::Functions.:Liver.\n'}]}]