Question: who discovered brazil while exploring for the portuguese
[{'answer': 'Pedro Álvares Cabral', 'provenance': [{'wikipedia_id': '246843', 'title': 'Pedro Álvares Cabral', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 20, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '246843', 'title': 'Pedro Álvares Cabral', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1012, 'bleu_score': 0.827067477086849, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5613361601201398102}, 'section': 'Section::::Abstract.'}]}]