这个建筑有多少层楼呢？
一楼有青石包边的台基、踏步。[{'character': '一', 'pinyin': 'i1', 'highest pitch': 10.0, 'lowest pitch': 9.68, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '楼', 'pinyin': 'lou2', 'highest pitch': 9.87, 'lowest pitch': 7.28, 'duration': 0.33, 'prosody hierarchy': '#2'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 8.52, 'lowest pitch': 5.75, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '青', 'pinyin': 'qing1', 'highest pitch': 11.27, 'lowest pitch': 5.75, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '石', 'pinyin': 'shiii2', 'highest pitch': 12.97, 'lowest pitch': 7.76, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '包', 'pinyin': 'bao1', 'highest pitch': 10.11, 'lowest pitch': 9.65, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '边', 'pinyin': 'bian1', 'highest pitch': 10.26, 'lowest pitch': 9.68, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 9.68, 'lowest pitch': 6.74, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '台', 'pinyin': 'tai2', 'highest pitch': 7.24, 'lowest pitch': 5.83, 'duration': 0.31, 'prosody hierarchy': 'null'}, {'character': '基', 'pinyin': 'ji1', 'highest pitch': 10.1, 'lowest pitch': 9.92, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '踏', 'pinyin': 'ta4', 'highest pitch': 10.06, 'lowest pitch': 8.86, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '步', 'pinyin': 'bu4', 'highest pitch': 10.64, 'lowest pitch': 6.32, 'duration': 0.27, 'prosody hierarchy': '#4'}]