Question: who is the best batsman in the world of all time
[{'answer': 'Donald Bradman', 'provenance': [{'wikipedia_id': '8380075', 'title': 'Wisden 100', 'start_paragraph_id': 5, 'start_character': 38, 'end_paragraph_id': 5, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Test cricket.\n'}]}, {'provenance': [{'wikipedia_id': '8380075', 'title': 'Wisden 100', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 206, 'bleu_score': 0.8516228624291201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 618811785356932052}, 'section': 'Section::::Test cricket.\n'}]}]