Question: when did the minnesota north stars move to dallas
[{'answer': 'the fall of 1993', 'provenance': [{'wikipedia_id': '270840', 'title': 'Minnesota North Stars', 'start_paragraph_id': 1, 'start_character': 475, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '270840', 'title': 'Minnesota North Stars', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 560, 'bleu_score': 0.8936506636015981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9927718867656172177}, 'section': 'Section::::Abstract.'}]}]