Question: what country is a great exporter of beef in south america
[{'answer': 'Brazil', 'provenance': [{'wikipedia_id': '36968', 'title': 'Beef', 'start_paragraph_id': 4, 'start_character': 205, 'end_paragraph_id': 4, 'end_character': 211, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '36968', 'title': 'Beef', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 202, 'bleu_score': 0.809422021134922, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9028741506543712041}, 'section': 'Section::::Abstract.'}]}]