Question: when did krakow become the capital of poland
[{'answer': '1038', 'provenance': [{'wikipedia_id': '16815', 'title': 'Kraków', 'start_paragraph_id': 11, 'start_character': 3, 'end_paragraph_id': 11, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '16815', 'title': 'Kraków', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 1102, 'bleu_score': 0.9894455409323081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5462528059542927295}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '16815', 'title': 'Kraków', 'section': 'Section::::History.\n', 'start_paragraph_id': 11, 'end_paragraph_id': 11, 'meta': {'evidence_span': ['In 1038, Kraków became the seat of the Polish', "In 1038, Kraków became the seat of the Polish government. By the end of the 10th century, the city was a leading centre of trade. Brick buildings were constructed, including the Royal Wawel Castle with St. Felix and Adaukt Rotunda, Romanesque churches such as St. Adalbert's, a cathedral, and a basilica."]}}]}, {'provenance': [{'wikipedia_id': '11045564', 'title': 'History of Kraków', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['capital of Poland from 1038 to 1596, the capital of the', 'Kraków (Krakow) is one of the largest and oldest cities in Poland, with the urban population of 756,441 (2008). Situated on the Vistula river () in the Lesser Poland region, the city dates back to the 7th century. It was the capital of Poland from 1038 to 1596, the capital of the Grand Duchy of Kraków from 1846 to 1918, and the capital of Kraków Voivodeship from the 14th century to 1999. It is now the capital of the Lesser Poland Voivodeship.', 'It was the capital of Poland from 1038 to 1596, the capital of the Grand Duchy of Kraków from 1846 to 1918, and the capital of Kraków Voivodeship from the 14th century to 1999. It is now the capital of the Lesser Poland Voivodeship.']}}]}, {'provenance': [{'wikipedia_id': '19829031', 'title': 'List of Polish cardinals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 4, 'end_paragraph_id': 4, 'meta': {'evidence_span': ["1034, and Kraków, Poland's capital from 1038 to 1596.", "Roughly one out of two Polish cardinals was a bishop of one of Poland's historically two most important episcopal sees: Gniezno, the capital city of Poland until 1034, and Kraków, Poland's capital from 1038 to 1596.", "Roughly one out of two Polish cardinals was a bishop of one of Poland's historically two most important episcopal sees: Gniezno, the capital city of Poland until 1034, and Kraków, Poland's capital from 1038 to 1596."]}}]}]