Question: what's the most home runs hit in the home run derby
[{'answer': '91', 'provenance': [{'wikipedia_id': '813519', 'title': 'Home Run Derby', 'start_paragraph_id': 3, 'start_character': 101, 'end_paragraph_id': 3, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]