Question: which supreme court case in 1869 voted texas's secession from the union
[{'answer': 'Texas v. White', 'provenance': [{'wikipedia_id': '1300385', 'title': 'Texas v. White', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1300385', 'title': 'Texas v. White', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 510, 'bleu_score': 0.9282264556653601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18371143874334709394}, 'section': 'Section::::Abstract.'}]}]