Question: who are the defending champions in the world cup
[{'answer': 'Brazil', 'provenance': [{'wikipedia_id': '8821389', 'title': 'List of FIFA World Cup finals', 'start_paragraph_id': 2, 'start_character': 595, 'end_paragraph_id': 2, 'end_character': 601, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8821389', 'title': 'List of FIFA World Cup finals', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 576, 'bleu_score': 0.9804854598160591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 371881531911074892}, 'section': 'Section::::Abstract.'}]}]