Question: when did the czech republic split from slovakia
[{'answer': '1 January 1993', 'provenance': [{'wikipedia_id': '873028', 'title': 'Dissolution of Czechoslovakia', 'start_paragraph_id': 1, 'start_character': 61, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '873028', 'title': 'Dissolution of Czechoslovakia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 365, 'bleu_score': 0.7326200502729271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5867778311870275190}, 'section': 'Section::::Abstract.'}]}]