Question: who are the original members of the traveling wilburys
[{'answer': 'Bob Dylan', 'provenance': [{'wikipedia_id': '31206', 'title': 'Traveling Wilburys', 'start_paragraph_id': 1, 'start_character': 111, 'end_paragraph_id': 1, 'end_character': 120, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'George Harrison', 'provenance': [{'wikipedia_id': '31206', 'title': 'Traveling Wilburys', 'start_paragraph_id': 1, 'start_character': 122, 'end_paragraph_id': 1, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jeff Lynne', 'provenance': [{'wikipedia_id': '31206', 'title': 'Traveling Wilburys', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Roy Orbison', 'provenance': [{'wikipedia_id': '31206', 'title': 'Traveling Wilburys', 'start_paragraph_id': 1, 'start_character': 151, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tom Petty', 'provenance': [{'wikipedia_id': '31206', 'title': 'Traveling Wilburys', 'start_paragraph_id': 1, 'start_character': 167, 'end_paragraph_id': 1, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]