Question: who has played for the most premiership clubs
[{'answer': 'Gareth Barry', 'provenance': [{'wikipedia_id': '45554141', 'title': 'List of Premier League players with 500 or more appearances', 'start_paragraph_id': 2, 'start_character': 571, 'end_paragraph_id': 2, 'end_character': 583, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]