Question: when did brazil win their last world cup
[{'answer': '2002', 'provenance': [{'wikipedia_id': '149286', 'title': 'Brazil national football team', 'start_paragraph_id': 2, 'start_character': 172, 'end_paragraph_id': 2, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]