Question: when did dog the bounty hunter show end
[{'answer': 'May 21 , 2012', 'provenance': [{'wikipedia_id': '1785650', 'title': 'Dog the Bounty Hunter', 'start_paragraph_id': 2, 'start_character': 3, 'end_paragraph_id': 2, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1785650', 'title': 'Dog the Bounty Hunter', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 245, 'bleu_score': 0.6955900496298331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7189804130096969975}, 'section': 'Section::::Abstract.'}]}]