Question: who is the main character in watership down
[{'answer': 'Hazel', 'provenance': [{'wikipedia_id': '7279935', 'title': 'List of Watership Down characters', 'start_paragraph_id': 4, 'start_character': 12, 'end_paragraph_id': 4, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::The Watership Down rabbits.\n'}]}, {'provenance': [{'wikipedia_id': '7279935', 'title': 'List of Watership Down characters', 'start_paragraph_id': 4, 'start_character': 12, 'end_paragraph_id': 4, 'end_character': 613, 'bleu_score': 0.621093610006063, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6356667437065149200}, 'section': 'Section::::The Watership Down rabbits.\n'}]}]