Question: who won world of dance on september 12 2018
[{'answer': 'The Lab', 'provenance': [{'wikipedia_id': '57549527', 'title': 'World of Dance (season 2)', 'start_paragraph_id': 66, 'start_character': 337, 'end_paragraph_id': 66, 'end_character': 344, 'bleu_score': 1.0, 'section': 'Section::::World Final.\n'}]}]