Question: how many times have rabbitohs won the premiership
[{'answer': '21', 'provenance': [{'wikipedia_id': '1079930', 'title': 'South Sydney Rabbitohs', 'start_paragraph_id': 3, 'start_character': 704, 'end_paragraph_id': 3, 'end_character': 706, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]