Question: how many superbowls did the green bay packers win
[{'answer': '2', 'provenance': [{'wikipedia_id': '12663', 'title': 'Green Bay Packers', 'start_paragraph_id': 2, 'start_character': 120, 'end_paragraph_id': 2, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]