Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| City | Country | Region | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- | --- |
| Changde | China | East Asia | CGD | ZGCD | Changde Airport |
| Changsha | China | East Asia | CSX | ZGHA | Changsha Huanghua International Airport |
| Chongqing | China | East Asia | CKG | ZUCK | Chongqing Jiangbei International Airport |
| Dalian | China | East Asia | DLC | ZYTL | Dalian Zhoushuizi International Airport |
| Guangzhou | China | East Asia | CAN | ZGGG | Guangzhou Baiyun International Airport |
| Guilin | China | East Asia | KWL | ZGKL | Guilin Liangjiang International Airport |
| Haikou | China | East Asia | HAK | ZJHK | Haikou Meilan International Airport |
| Hangzhou | China | East Asia | HGH | ZSHC | Hangzhou Xiaoshan International Airport |
| Hong Kong | Hong Kong | East Asia | HKG | VHHH | Hong Kong International Airport |
| Macau | Macau | East Asia | MFM | VMMC | Macau International Airport |
| Nanjing | China | East Asia | NKG | ZSNJ | Nanjing Lukou International Airport |
| Qingdao | China | East Asia | TAO | ZSQD | Qingdao Liuting International Airport |
| Sanya | China | East Asia | SYX | ZGSY | Sanya Phoenix International Airport |
| Shanghai | China | East Asia | SHA | ZSSS | Shanghai Hongqiao International Airport |
| Shenyang | China | East Asia | SHE | ZYTX | Shenyang Taoxian International Airport |
| Shenzhen | China | East Asia | SZX | ZGSZ | Shenzhen Bao'an International Airport |
| Tianjin | China | East Asia | TSN | ZBTJ | Tianjin Binhai International Airport |
| Wuhan | China | East Asia | WUH | ZHHH | Wuhan Tianhe International Airport † |
| Xi'an | China | East Asia | XIY | ZLXY | Xi'an Xianyang International Airport |
| Xiamen | China | East Asia | XMN | ZSAM | Xiamen Gaoqi International Airport |
| Zhengzhou | China | East Asia | CGO | ZHCC | Zhengzhou Xinzheng International Airport |
Question:
I want the ICAO for city of xi'an
Answer:
ZLXY