Question: who won the indy car race in phoenix
[{'answer': 'Mario Andretti', 'provenance': [{'wikipedia_id': '8648925', 'title': 'Desert Diamond West Valley Phoenix Grand Prix', 'start_paragraph_id': 2, 'start_character': 333, 'end_paragraph_id': 2, 'end_character': 347, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8648925', 'title': 'Desert Diamond West Valley Phoenix Grand Prix', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 353, 'bleu_score': 0.9262685672663881, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18031038074345177150}, 'section': 'Section::::Abstract.'}]}]