Question: when did the czech republic become a country
[{'answer': '1 January 1993', 'provenance': [{'wikipedia_id': '5321', 'title': 'Czech Republic', 'start_paragraph_id': 5, 'start_character': 827, 'end_paragraph_id': 5, 'end_character': 841, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]