Question: who wrote do they know it's xmas
[{'answer': 'Bob Geldof', 'provenance': [{'wikipedia_id': '848102', 'title': "Do They Know It's Christmas?", 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Midge Ure', 'provenance': [{'wikipedia_id': '848102', 'title': "Do They Know It's Christmas?", 'start_paragraph_id': 1, 'start_character': 75, 'end_paragraph_id': 1, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '848102', 'title': "Do They Know It's Christmas?", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1115, 'bleu_score': 0.957679592657741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9728901580422505776}, 'section': 'Section::::Abstract.'}]}]