Question: highest number of gold medals in olympics by an individual
[{'answer': '28', 'provenance': [{'wikipedia_id': '18855244', 'title': 'List of multiple Olympic medalists', 'start_paragraph_id': 2, 'start_character': 75, 'end_paragraph_id': 2, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]