Question: who won season 16 dancing with the stars
[{'answer': 'Kellie Pickler', 'provenance': [{'wikipedia_id': '38085598', 'title': 'Dancing with the Stars (American season 16)', 'start_paragraph_id': 2, 'start_character': 194, 'end_paragraph_id': 2, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]