Question: when was rob kardashian on dancing with the stars
[{'answer': 'season 13', 'provenance': [{'wikipedia_id': '31877099', 'title': 'Dancing with the Stars (American season 13)', 'start_paragraph_id': 0, 'start_character': 33, 'end_paragraph_id': 0, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]