Question: what name was the city of st. petersburg renamed a second time
[{'answer': 'Leningrad', 'provenance': [{'wikipedia_id': '24320051', 'title': 'Saint Petersburg', 'start_paragraph_id': 5, 'start_character': 463, 'end_paragraph_id': 5, 'end_character': 472, 'bleu_score': 1.0, 'section': 'Section::::Name.\n'}]}, {'provenance': [{'wikipedia_id': '24320051', 'title': 'Saint Petersburg', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 703, 'bleu_score': 0.7012454215001811, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17215354375430834898}, 'section': 'Section::::Name.\n'}]}]