Question: what's the name of thor's magic belt
[{'answer': 'megingjörð', 'provenance': [{'wikipedia_id': '4306375', 'title': 'Megingjörð', 'start_paragraph_id': 1, 'start_character': 24, 'end_paragraph_id': 1, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4306375', 'title': 'Megingjörð', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 173, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12062945915738706000}, 'section': 'Section::::Abstract.'}]}]