你所说的案件发生的原因是什么？
公安机关初步查明，案件是由白家峁煤矿矿权纠纷引发的。[{'character': '公', 'pinyin': 'gong1', 'highest pitch': 9.8, 'lowest pitch': 9.63, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 9.81, 'lowest pitch': 9.08, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 9.79, 'lowest pitch': 9.0, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '关', 'pinyin': 'guan1', 'highest pitch': 10.07, 'lowest pitch': 9.0, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '初', 'pinyin': 'chu1', 'highest pitch': 10.8, 'lowest pitch': 9.72, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '步', 'pinyin': 'bu4', 'highest pitch': 10.3, 'lowest pitch': 7.8, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '查', 'pinyin': 'cha2', 'highest pitch': 7.8, 'lowest pitch': 6.4, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '明', 'pinyin': 'ming2', 'highest pitch': 7.64, 'lowest pitch': 5.86, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.25}, {'character': '案', 'pinyin': 'an4', 'highest pitch': 11.05, 'lowest pitch': 9.8, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '件', 'pinyin': 'jian4', 'highest pitch': 9.91, 'lowest pitch': 8.47, 'duration': 0.25, 'prosody hierarchy': '#2'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.19, 'lowest pitch': 8.18, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '由', 'pinyin': 'iou2', 'highest pitch': 9.13, 'lowest pitch': 7.56, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '白', 'pinyin': 'bai2', 'highest pitch': 8.46, 'lowest pitch': 7.43, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 10.7, 'lowest pitch': 8.46, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '峁', 'pinyin': 'mao3', 'highest pitch': 10.7, 'lowest pitch': 4.27, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '煤', 'pinyin': 'mei2', 'highest pitch': 5.59, 'lowest pitch': 4.27, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '矿', 'pinyin': 'kuang4', 'highest pitch': 9.6, 'lowest pitch': 7.1, 'duration': 0.29, 'prosody hierarchy': '#2'}, {'character': '矿', 'pinyin': 'kuang4', 'highest pitch': 9.6, 'lowest pitch': 7.3, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '权', 'pinyin': 'qvan2', 'highest pitch': 7.59, 'lowest pitch': 6.01, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '纠', 'pinyin': 'jiou1', 'highest pitch': 8.48, 'lowest pitch': 7.07, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '纷', 'pinyin': 'fen1', 'highest pitch': 8.96, 'lowest pitch': 8.03, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '引', 'pinyin': 'in3', 'highest pitch': 8.59, 'lowest pitch': 4.09, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '发', 'pinyin': 'fa1', 'highest pitch': 6.78, 'lowest pitch': 4.68, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.83, 'lowest pitch': 5.71, 'duration': 0.22, 'prosody hierarchy': '#4'}]