Question: when did man first start wearing wedding rings
[{'answer': 'during the 20th century', 'provenance': [{'wikipedia_id': '163668', 'title': 'Wedding ring', 'start_paragraph_id': 6, 'start_character': 401, 'end_paragraph_id': 6, 'end_character': 424, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '163668', 'title': 'Wedding ring', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 424, 'bleu_score': 0.869996820781546, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4603843221117427577}, 'section': 'Section::::History.\n'}]}]