Question: who scored most hat tricks in premier league
[{'answer': 'Alan Shearer', 'provenance': [{'wikipedia_id': '20989220', 'title': 'List of Premier League hat-tricks', 'start_paragraph_id': 1, 'start_character': 422, 'end_paragraph_id': 1, 'end_character': 434, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]