这个司机是谁？
该车司机是西安人吕某。[{'character': '该', 'pinyin': 'gai1', 'highest pitch': 8.59, 'lowest pitch': 8.37, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '车', 'pinyin': 'che1', 'highest pitch': 9.57, 'lowest pitch': 9.2, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '司', 'pinyin': 'sii1', 'highest pitch': 9.36, 'lowest pitch': 8.03, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 9.6, 'lowest pitch': 8.03, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 9.6, 'lowest pitch': 7.99, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '西', 'pinyin': 'xi1', 'highest pitch': 8.99, 'lowest pitch': 7.99, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 9.72, 'lowest pitch': 8.87, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '人', 'pinyin': 'ren2', 'highest pitch': 8.87, 'lowest pitch': 7.44, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '吕', 'pinyin': 'lv2', 'highest pitch': 10.49, 'lowest pitch': 6.71, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '某', 'pinyin': 'mou3', 'highest pitch': 10.93, 'lowest pitch': 3.15, 'duration': 0.35, 'prosody hierarchy': '#4'}]