Question: winner of world hip hop dance championship 2015
[{'answer': 'Lock N Lol', 'provenance': [{'wikipedia_id': '20826433', 'title': 'World Hip Hop Dance Championship', 'start_paragraph_id': 2, 'start_character': 184, 'end_paragraph_id': 2, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'The Bradas'}, {'answer': 'Kana - Boon !'}, {'answer': 'Chapkidz'}]