Question: record number of overtime periods in nhl playoffs
[{'answer': 'sextuple overtime', 'provenance': [{'wikipedia_id': '568092', 'title': 'Overtime (ice hockey)', 'start_paragraph_id': 105, 'start_character': 221, 'end_paragraph_id': 105, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::List of notable overtime games.:Notable minor league, college and junior overtimes.:VHL.\n'}]}, {'provenance': [{'wikipedia_id': '568092', 'title': 'Overtime (ice hockey)', 'start_paragraph_id': 34, 'start_character': 0, 'end_paragraph_id': 34, 'end_character': 417, 'bleu_score': 0.8032747887648221, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4871284248061638963}, 'section': 'Section::::List of notable overtime games.:NHL.:Notable NHL playoff overtime games.\n'}]}]