Question: who has scored the most goals in a world cup final
[{'answer': 'Geoff Hurst', 'provenance': [{'wikipedia_id': '43304210', 'title': 'List of FIFA World Cup final goalscorers', 'start_paragraph_id': 1, 'start_character': 425, 'end_paragraph_id': 1, 'end_character': 436, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Vavá'}, {'answer': 'Pelé', 'provenance': [{'wikipedia_id': '43304210', 'title': 'List of FIFA World Cup final goalscorers', 'start_paragraph_id': 1, 'start_character': 762, 'end_paragraph_id': 1, 'end_character': 766, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Zinedine Zidane'}]