Question: who is the richest person in the world who ever lived
[{'answer': 'Jakob Fugger', 'provenance': [{'wikipedia_id': '12944918', 'title': 'List of wealthiest historical figures', 'start_paragraph_id': 3, 'start_character': 124, 'end_paragraph_id': 3, 'end_character': 136, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]