Question: who sang it's the last song i'll ever write for you
[{'answer': 'David Cook', 'provenance': [{'wikipedia_id': '35716992', 'title': "The Last Song I'll Write for You", 'start_paragraph_id': 1, 'start_character': 111, 'end_paragraph_id': 1, 'end_character': 121, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35716992', 'title': "The Last Song I'll Write for You", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 263, 'bleu_score': 0.957870874785216, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17797353331228697847}, 'section': 'Section::::Abstract.'}]}]