Question: in what year did the dodgers move to los angeles
[{'answer': 'after the 1957 season', 'provenance': [{'wikipedia_id': '25036634', 'title': 'History of the Brooklyn Dodgers', 'start_paragraph_id': 15, 'start_character': 355, 'end_paragraph_id': 15, 'end_character': 376, 'bleu_score': 1.0, 'section': 'Section::::Rivalry with the Giants.\n'}]}, {'provenance': [{'wikipedia_id': '25036634', 'title': 'History of the Brooklyn Dodgers', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 519, 'bleu_score': 0.9776501033621461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4796398569952606662}, 'section': 'Section::::Rivalry with the Giants.\n'}]}]