Question: what season of the bachelorette was dean on
[{'answer': '13', 'provenance': [{'wikipedia_id': '53184065', 'title': 'The Bachelorette (season 13)', 'start_paragraph_id': 0, 'start_character': 25, 'end_paragraph_id': 0, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]