Question: brazil declared it's independence from portugal in what year
[{'answer': '1822', 'provenance': [{'wikipedia_id': '10076982', 'title': 'Independence of Brazil', 'start_paragraph_id': 2, 'start_character': 64, 'end_paragraph_id': 2, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10076982', 'title': 'Independence of Brazil', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 231, 'bleu_score': 0.6785329633360401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5387256757191474550}, 'section': 'Section::::Abstract.'}]}]