Question: who signed an alliance between germany and italy
[{'answer': 'Galeazzo Ciano', 'provenance': [{'wikipedia_id': '218950', 'title': 'Pact of Steel', 'start_paragraph_id': 2, 'start_character': 408, 'end_paragraph_id': 2, 'end_character': 422, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Joachim von Ribbentrop', 'provenance': [{'wikipedia_id': '218950', 'title': 'Pact of Steel', 'start_paragraph_id': 2, 'start_character': 436, 'end_paragraph_id': 2, 'end_character': 458, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '218950', 'title': 'Pact of Steel', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 469, 'bleu_score': 0.9751504244977051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7184905065282124630}, 'section': 'Section::::Abstract.'}]}]