Question: who owns the gold spike in las vegas
[{'answer': 'Tony Hsieh', 'provenance': [{'wikipedia_id': '20358871', 'title': 'Gold Spike (property)', 'start_paragraph_id': 1, 'start_character': 275, 'end_paragraph_id': 1, 'end_character': 285, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20358871', 'title': 'Gold Spike (property)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 396, 'bleu_score': 0.8673460629331771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16061442445508050591}, 'section': 'Section::::Abstract.'}]}]