Question: how many episodes of animal kingdom season 2
[{'answer': 'thirteen', 'provenance': [{'wikipedia_id': '51039356', 'title': 'List of Animal Kingdom episodes', 'start_paragraph_id': 2, 'start_character': 63, 'end_paragraph_id': 2, 'end_character': 71, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51039356', 'title': 'List of Animal Kingdom episodes', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 202, 'bleu_score': 0.596396265045483, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4271968177630274491}, 'section': 'Section::::Abstract.'}]}]