Question: who has scored the most champions league final goals
[{'answer': 'Ferenc Puskás', 'provenance': [{'wikipedia_id': '2947773', 'title': 'European Cup and UEFA Champions League records and statistics', 'start_paragraph_id': 684, 'start_character': 119, 'end_paragraph_id': 684, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Players.:Goalscoring.:Four goals in a match.\n'}]}, {'answer': 'Alfredo Di Stéfano', 'provenance': [{'wikipedia_id': '2947773', 'title': 'European Cup and UEFA Champions League records and statistics', 'start_paragraph_id': 684, 'start_character': 99, 'end_paragraph_id': 684, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Players.:Goalscoring.:Four goals in a match.\n'}]}, {'provenance': [{'wikipedia_id': '2947773', 'title': 'European Cup and UEFA Champions League records and statistics', 'start_paragraph_id': 786, 'start_character': 0, 'end_paragraph_id': 786, 'end_character': 176, 'bleu_score': 0.8763166199819781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7184889142022888019}, 'section': 'Section::::Players.:Goalscoring.:Other goalscoring records.\n'}]}]