Question: how many points did gretzky have in his last season
[{'answer': '62', 'provenance': [{'wikipedia_id': '2024258', 'title': 'List of career achievements by Wayne Gretzky', 'start_paragraph_id': 155, 'start_character': 67, 'end_paragraph_id': 155, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Unofficial records.:Milestone records.:Assists.\n'}]}]