Question: who has the longest drought of stanley cup
[{'answer': 'the Toronto Maple Leafs', 'provenance': [{'wikipedia_id': '423389', 'title': 'List of NHL franchise post-season droughts', 'start_paragraph_id': 3, 'start_character': 118, 'end_paragraph_id': 3, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '423389', 'title': 'List of NHL franchise post-season droughts', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1124, 'bleu_score': 0.7607345564951331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13870195116411077548}, 'section': 'Section::::Abstract.'}]}]