Question: who sings the national anthem for the blackhawks
[{'answer': 'James Cornelison', 'provenance': [{'wikipedia_id': '30533938', 'title': 'Jim Cornelison', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '30533938', 'title': 'Jim Cornelison', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 611, 'bleu_score': 0.9047053837064121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1470957638860982628}, 'section': 'Section::::Abstract.'}]}]