Question: who took the picture of the windows xp background
[{'answer': "Charles O'Rear", 'provenance': [{'wikipedia_id': '2011002', 'title': 'Bliss (image)', 'start_paragraph_id': 1, 'start_character': 243, 'end_paragraph_id': 1, 'end_character': 257, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2011002', 'title': 'Bliss (image)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 519, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11860852767442179395}, 'section': 'Section::::Overview.\n'}]}]