Question: who is the number one ranked chess player
[{'answer': 'Magnus Carlsen', 'provenance': [{'wikipedia_id': '25659037', 'title': 'List of FIDE chess world number ones', 'start_paragraph_id': 2, 'start_character': 866, 'end_paragraph_id': 2, 'end_character': 880, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25659037', 'title': 'List of FIDE chess world number ones', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 793, 'bleu_score': 0.985662154730604, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12054329351719215276}, 'section': 'Section::::Abstract.'}]}]