Question: list of the most richest man in the world
[{'answer': 'Bill Gates', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 2, 'start_character': 352, 'end_paragraph_id': 2, 'end_character': 362, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Warren Buffett', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 280, 'end_paragraph_id': 16, 'end_character': 294, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}, {'answer': 'Jeff Bezos', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 2, 'start_character': 429, 'end_paragraph_id': 2, 'end_character': 439, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Amancio Ortega', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 208, 'end_paragraph_id': 16, 'end_character': 222, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}, {'answer': 'Mark Zuckerberg', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 2, 'start_character': 560, 'end_paragraph_id': 2, 'end_character': 575, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Carlos Slim', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 14, 'start_character': 685, 'end_paragraph_id': 14, 'end_character': 696, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2017.\n'}]}, {'answer': 'Larry Ellison', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 764, 'end_paragraph_id': 16, 'end_character': 777, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}, {'answer': 'Charles Koch', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 779, 'end_paragraph_id': 16, 'end_character': 791, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}, {'answer': 'David Koch', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 796, 'end_paragraph_id': 16, 'end_character': 806, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}, {'answer': 'Michael Bloomberg', 'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 16, 'start_character': 520, 'end_paragraph_id': 16, 'end_character': 537, 'bleu_score': 1.0, 'section': 'Section::::Annual rankings.:2016.\n'}]}]