Question: who was the leader of italy during the second world war
[{'answer': 'Benito Mussolini', 'provenance': [{'wikipedia_id': '8179265', 'title': 'Commanders of World War II', 'start_paragraph_id': 1, 'start_character': 285, 'end_paragraph_id': 1, 'end_character': 301, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8179265', 'title': 'Commanders of World War II', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 0.9318557434050331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7504759175518591779}, 'section': 'Section::::Abstract.'}]}]