Question: who did the steelers play in the 2009 super bowl
[{'answer': 'Arizona Cardinals', 'provenance': [{'wikipedia_id': '1263005', 'title': 'Super Bowl XLIII', 'start_paragraph_id': 1, 'start_character': 177, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1263005', 'title': 'Super Bowl XLIII', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 411, 'bleu_score': 0.834452289722301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18247703561428721600}, 'section': 'Section::::Abstract.'}]}]