Question: where is the lava stored in a volcano
[{'answer': 'magma chamber', 'provenance': [{'wikipedia_id': '527892', 'title': 'Magma chamber', 'start_paragraph_id': 1, 'start_character': 2, 'end_paragraph_id': 1, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '527892', 'title': 'Magma chamber', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 419, 'bleu_score': 0.7033081544480431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13303700350059452529}, 'section': 'Section::::Abstract.'}]}]