Question: when did italy become an ally in ww2
[{'answer': 'July 1943', 'provenance': [{'wikipedia_id': '202061', 'title': 'Military history of Italy during World War II', 'start_paragraph_id': 3, 'start_character': 387, 'end_paragraph_id': 3, 'end_character': 396, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]