Question: when did romania join the allies in ww2
[{'answer': '23 August 1944', 'provenance': [{'wikipedia_id': '297155', 'title': 'Romania in World War II', 'start_paragraph_id': 39, 'start_character': 3, 'end_paragraph_id': 39, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::The royal coup.\n'}]}, {'provenance': [{'wikipedia_id': '297155', 'title': 'Romania in World War II', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 1054, 'bleu_score': 0.945491308927574, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12294792716276497852}, 'section': 'Section::::The royal coup.\n'}]}]