Question: who sings the song running down the dream
[{'answer': 'Tom Petty', 'provenance': [{'wikipedia_id': '7815722', 'title': "Runnin' Down a Dream", 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7815722', 'title': "Runnin' Down a Dream", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 493, 'bleu_score': 0.947703439108541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11463609486095497154}, 'section': 'Section::::Abstract.'}]}]