Question: who has the largest diamond in the world
[{'answer': 'Queen Elizabeth II', 'provenance': [{'wikipedia_id': '295620', 'title': 'Cullinan Diamond', 'start_paragraph_id': 14, 'start_character': 677, 'end_paragraph_id': 14, 'end_character': 695, 'bleu_score': 1.0, 'section': 'Section::::Diamonds cut from the Cullinan.\n'}]}, {'provenance': [{'wikipedia_id': '295620', 'title': 'Cullinan Diamond', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 703, 'bleu_score': 0.541549394060262, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11222243434134552156}, 'section': 'Section::::Diamonds cut from the Cullinan.\n'}]}]