Question: who has the longest championship drought in sports
[{'answer': 'San Diego', 'provenance': [{'wikipedia_id': '1531458', 'title': 'Drought (sport)', 'start_paragraph_id': 44, 'start_character': 4, 'end_paragraph_id': 44, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::North America.:Cities with significant droughts.\n'}]}]