Question: when do you wear a white bow tie
[{'answer': 'royal ceremonies', 'provenance': [{'wikipedia_id': '337814', 'title': 'White tie', 'start_paragraph_id': 14, 'start_character': 107, 'end_paragraph_id': 14, 'end_character': 123, 'bleu_score': 1.0, 'section': 'Section::::History.:21st century.\n'}]}, {'answer': 'debutante balls', 'provenance': [{'wikipedia_id': '337814', 'title': 'White tie', 'start_paragraph_id': 14, 'start_character': 125, 'end_paragraph_id': 14, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::History.:21st century.\n'}]}, {'answer': 'a select group of other social events in some countries'}]