Question: who traded gold and slaves to build the asante kingdom
[{'answer': 'Ashanti', 'provenance': [{'wikipedia_id': '12521667', 'title': 'Ashanti Empire', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12521667', 'title': 'Ashanti Empire', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 725, 'bleu_score': 0.9628278278632151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18252799075360132071}, 'section': 'Section::::History.:European contact.\n'}]}]