Question: how many episodes in the first season of orange is the new black
[{'answer': '13', 'provenance': [{'wikipedia_id': '39799239', 'title': 'List of Orange Is the New Black episodes', 'start_paragraph_id': 1, 'start_character': 115, 'end_paragraph_id': 1, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]