Question: who sang the songs on walk the line
[{'answer': 'Joaquin Phoenix', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 208, 'end_paragraph_id': 1, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Reese Witherspoon', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 256, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Waylon Payne', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 309, 'end_paragraph_id': 1, 'end_character': 321, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Johnathan Rice', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 356, 'end_paragraph_id': 1, 'end_character': 370, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tyler Hilton', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 402, 'end_paragraph_id': 1, 'end_character': 414, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Shooter Jennings', 'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 451, 'end_paragraph_id': 1, 'end_character': 467, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Joaquin Phoenix ( as Johnny Cash ) , four songs by Reese Witherspoon ( as June Carter Cash ) , one song by Waylon Payne ( as Jerry Lee Lewis ) , one song by Johnathan Rice ( as Roy Orbison ) , two songs by Tyler Hilton ( as Elvis Presley ) , and one song by Shooter Jennings ( as Waylon Jennings )'}, {'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 848, 'bleu_score': 0.985964042079227, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1925563034385695234}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4240525', 'title': 'Walk the Line (soundtrack)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['There are nine songs performed by Joaquin Phoenix (as Johnny Cash), four songs by Reese Witherspoon (as June Carter Cash), one song by Waylon Payne (as Jerry Lee Lewis), one song by Johnathan Rice (as Roy Orbison), two songs by Tyler Hilton', 'There are nine songs performed by Joaquin Phoenix (as Johnny Cash), four songs by Reese Witherspoon (as June Carter Cash), one song by Waylon Payne (as Jerry Lee Lewis), one song by Johnathan Rice (as Roy Orbison), two songs by Tyler Hilton (as Elvis Presley), and one song by Shooter Jennings (as Waylon Jennings). At the Golden Globe Awards Joaquin Phoenix was awarded the Best Actor - Musical or Comedy and Reese Witherspoon was awarded the Best Actress - Musical or Comedy, as well as the film won the Best Picture - Musical or Comedy.', 'There are nine songs performed by Joaquin Phoenix (as Johnny Cash), four songs by Reese Witherspoon (as June Carter Cash), one song by Waylon Payne (as Jerry Lee Lewis), one song by Johnathan Rice (as Roy Orbison), two songs by Tyler Hilton (as Elvis Presley), and one song by Shooter Jennings (as Waylon Jennings).']}}]}]