Question: what are the three types of olympic medals
[{'answer': 'gold', 'provenance': [{'wikipedia_id': '354367', 'title': 'Olympic medal', 'start_paragraph_id': 1, 'start_character': 117, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'silver', 'provenance': [{'wikipedia_id': '354367', 'title': 'Olympic medal', 'start_paragraph_id': 1, 'start_character': 146, 'end_paragraph_id': 1, 'end_character': 152, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'bronze', 'provenance': [{'wikipedia_id': '354367', 'title': 'Olympic medal', 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '354367', 'title': 'Olympic medal', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 298, 'bleu_score': 0.962600167205617, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17586564823754476145}, 'section': 'Section::::Abstract.'}]}]