Question: when did alabama became the state of the usa
[{'answer': '1819', 'provenance': [{'wikipedia_id': '39473', 'title': 'History of Alabama', 'start_paragraph_id': 1, 'start_character': 71, 'end_paragraph_id': 1, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39473', 'title': 'History of Alabama', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 274, 'bleu_score': 0.9560167778278961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1867964649106301697}, 'section': 'Section::::Early statehood.\n'}]}]