Question: which major russian city borders the baltic sea
[{'answer': 'Saint Petersburg', 'provenance': [{'wikipedia_id': '3335', 'title': 'Baltic Sea', 'start_paragraph_id': 38, 'start_character': 332, 'end_paragraph_id': 38, 'end_character': 348, 'bleu_score': 1.0, 'section': 'Section::::History.:An arena of conflict.\n'}]}, {'provenance': [{'wikipedia_id': '3335', 'title': 'Baltic Sea', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 278, 'bleu_score': 0.9022045190074791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14610384162040152274}, 'section': 'Section::::History.:Since World War II.\n'}]}]