Question: who is number one on the forbes list
[{'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.'}]}, {'provenance': [{'wikipedia_id': '33331732', 'title': "The World's Billionaires", 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 655, 'bleu_score': 0.7065602119892691, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3447771541369320018}, 'section': 'Section::::Annual rankings.:2018.\n'}]}]