Question: who has won the most oscars in history
[{'answer': 'Walt Disney', 'provenance': [{'wikipedia_id': '14551473', 'title': 'List of Academy Award records', 'start_paragraph_id': 16, 'start_character': 12, 'end_paragraph_id': 16, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Most awards.\n'}]}]