Question: who has the most goals in nhl playoff history
[{'answer': 'Wayne Gretzky', 'provenance': [{'wikipedia_id': '8611770', 'title': 'List of NHL records (individual)', 'start_paragraph_id': 27, 'start_character': 41, 'end_paragraph_id': 27, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::NHL Awards.\n'}]}, {'provenance': [{'wikipedia_id': '8611770', 'title': 'List of NHL records (individual)', 'start_paragraph_id': 51, 'start_character': 0, 'end_paragraph_id': 51, 'end_character': 58, 'bleu_score': 0.725979529115477, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6549591090519035523}, 'section': 'Section::::Goals.\n'}]}]