Question: what is the ashes trophy made out of
[{'answer': 'terracotta', 'provenance': [{'wikipedia_id': '34331701', 'title': 'The Ashes urn', 'start_paragraph_id': 1, 'start_character': 37, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34331701', 'title': 'The Ashes urn', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 614, 'bleu_score': 0.9509503382229441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14944821765368651146}, 'section': 'Section::::Abstract.'}]}]