Question: who has the biggest ballpark in the mlb
[{'answer': 'Dodger Stadium', 'provenance': [{'wikipedia_id': '643381', 'title': 'List of current Major League Baseball stadiums', 'start_paragraph_id': 3, 'start_character': 76, 'end_paragraph_id': 3, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]