请问你知道历史上盐津的归属情况吗？
一七二七年改土归流，盐津归属乌蒙府大关厅。[{'character': '一', 'pinyin': 'i1', 'highest pitch': 10.79, 'lowest pitch': 10.28, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '七', 'pinyin': 'qi1', 'highest pitch': 10.95, 'lowest pitch': 10.39, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '二', 'pinyin': 'er4', 'highest pitch': 10.77, 'lowest pitch': 8.19, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '七', 'pinyin': 'qi1', 'highest pitch': 10.95, 'lowest pitch': 8.19, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 9.93, 'lowest pitch': 6.39, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'character': '改', 'pinyin': 'gai2', 'highest pitch': 10.66, 'lowest pitch': 7.73, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '土', 'pinyin': 'tu3', 'highest pitch': 8.5, 'lowest pitch': 5.79, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '归', 'pinyin': 'guei1', 'highest pitch': 10.67, 'lowest pitch': 9.16, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '流', 'pinyin': 'liou2', 'highest pitch': 9.95, 'lowest pitch': 5.77, 'duration': 0.37, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.34}, {'character': '盐', 'pinyin': 'ian2', 'highest pitch': 8.53, 'lowest pitch': 7.49, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '津', 'pinyin': 'jin1', 'highest pitch': 9.3, 'lowest pitch': 8.33, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'character': '归', 'pinyin': 'guei1', 'highest pitch': 10.67, 'lowest pitch': 9.27, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '属', 'pinyin': 'shu3', 'highest pitch': 9.61, 'lowest pitch': 6.03, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '乌', 'pinyin': 'u1', 'highest pitch': 10.59, 'lowest pitch': 6.48, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '蒙', 'pinyin': 'meng2', 'highest pitch': 10.32, 'lowest pitch': 7.96, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '府', 'pinyin': 'fu3', 'highest pitch': 10.28, 'lowest pitch': 5.61, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '大', 'pinyin': 'da4', 'highest pitch': 8.28, 'lowest pitch': 7.38, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 9.23, 'lowest pitch': 8.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '厅', 'pinyin': 'ting1', 'highest pitch': 10.22, 'lowest pitch': 9.71, 'duration': 0.32, 'prosody hierarchy': '#4'}]