Question: who is the chess champion of the world
[{'answer': 'Magnus Carlsen', 'provenance': [{'wikipedia_id': '166667', 'title': 'World Chess Championship', 'start_paragraph_id': 1, 'start_character': 183, 'end_paragraph_id': 1, 'end_character': 197, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '166667', 'title': 'World Chess Championship', 'start_paragraph_id': 81, 'start_character': 0, 'end_paragraph_id': 81, 'end_character': 225, 'bleu_score': 0.512454297284481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1964941162518228691}, 'section': 'Section::::History.:Reunified title (2006–present).:Carlsen (2013–present).\n'}]}]