Question: last driver to race indy 500 and coca cola 600
[{'answer': 'Busch', 'provenance': [{'wikipedia_id': '11095209', 'title': 'Double Duty', 'start_paragraph_id': 4, 'start_character': 65, 'end_paragraph_id': 4, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11095209', 'title': 'Double Duty', 'start_paragraph_id': 4, 'start_character': 214, 'end_paragraph_id': 4, 'end_character': 440, 'bleu_score': 0.8527204701689131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11958858900807840864}, 'section': 'Section::::Abstract.'}]}]