Question: where did the movie proud mary take place
[{'answer': 'Boston', 'provenance': [{'wikipedia_id': '54650848', 'title': 'Proud Mary (film)', 'start_paragraph_id': 4, 'start_character': 3, 'end_paragraph_id': 4, 'end_character': 9, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}]