Question: who sang carry on my wayward son in supernatural
[{'answer': 'Kansas', 'provenance': [{'wikipedia_id': '4390397', 'title': 'Carry On Wayward Son', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4390397', 'title': 'Carry On Wayward Son', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 295, 'bleu_score': 0.7925282106614471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9348291384260088068}, 'section': 'Section::::Abstract.'}]}]