Question: part of the earth's structure 6 letters
[{'answer': 'mantle', 'provenance': [{'wikipedia_id': '1417149', 'title': 'Structure of the Earth', 'start_paragraph_id': 1, 'start_character': 134, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1417149', 'title': 'Structure of the Earth', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 707, 'bleu_score': 0.981898582188057, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17331411830565196220}, 'section': 'Section::::Abstract.'}]}]