Question: who produced coldplay's album viva la vida
[{'answer': 'Markus Dravs', 'provenance': [{'wikipedia_id': '14003237', 'title': 'Viva la Vida or Death and All His Friends', 'start_paragraph_id': 2, 'start_character': 128, 'end_paragraph_id': 2, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Brian Eno', 'provenance': [{'wikipedia_id': '14003237', 'title': 'Viva la Vida or Death and All His Friends', 'start_paragraph_id': 2, 'start_character': 146, 'end_paragraph_id': 2, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jon Hopkins', 'provenance': [{'wikipedia_id': '14003237', 'title': 'Viva la Vida or Death and All His Friends', 'start_paragraph_id': 2, 'start_character': 102, 'end_paragraph_id': 2, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Rik Simpson', 'provenance': [{'wikipedia_id': '14003237', 'title': 'Viva la Vida or Death and All His Friends', 'start_paragraph_id': 2, 'start_character': 115, 'end_paragraph_id': 2, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]