Question: what is the traditional purpose of the dragon dance during celebration of chinese new year
[{'answer': 'to bring good luck', 'provenance': [{'wikipedia_id': '577930', 'title': 'Dragon dance', 'start_paragraph_id': 2, 'start_character': 132, 'end_paragraph_id': 2, 'end_character': 150, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '577930', 'title': 'Dragon dance', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 634, 'bleu_score': 0.965664670500009, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1879754995167896961}, 'section': 'Section::::Abstract.'}]}]