Question: who was the first player to score a hat trick in a world cup final
[{'answer': 'Geoff Hurst', 'provenance': [{'wikipedia_id': '7345798', 'title': 'List of FIFA World Cup hat-tricks', 'start_paragraph_id': 12, 'start_character': 70, 'end_paragraph_id': 12, 'end_character': 81, 'bleu_score': 1.0, 'section': 'Section::::Notable World Cup hat-tricks.\n'}]}]