Question: who has played in the most outdoor nhl games
[{'answer': 'Chicago', 'provenance': [{'wikipedia_id': '41133888', 'title': 'NHL outdoor games', 'start_paragraph_id': 13, 'start_character': 43, 'end_paragraph_id': 13, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]