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 | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- |
| Bangkok | Thailand | BKK | VTBS | Suvarnabhumi Airport |
| Beijing | China | PEK | ZBAA | Beijing Capital International Airport |
| Changsha | China | CSX | ZGHA | Changsha Huanghua International Airport |
| Chengdu | China | CTU | ZUUU | Chengdu Shuangliu International Airport |
| Chongqing | China | CKG | ZUCK | Chongqing Jiangbei International Airport |
| Hangzhou | China | HGH | ZSHC | Hangzhou Xiaoshan International Airport |
| Hefei | China | HFE | ZSOF | Hefei Luogang International Airport |
| Kaohsiung | Taiwan | KHH | RCKH | Kaohsiung International Airport |
| Macau | Macau | MFM | VMMC | Macau International Airport |
| Nanjing | China | NKG | ZSNJ | Nanjing Lukou International Airport |
| Nanning | China | NNG | ZGNN | Nanning Wuxu International Airport |
| Ningbo | China | NGB | ZSNB | Ningbo Lishe International Airport |
| Osaka | Japan | KIX | RJBB | Kansai International Airport |
| Seoul | South Korea | ICN | RKSI | Incheon International Airport |
| Shanghai | China | SHA | ZSSS | Shanghai Hongqiao International Airport |
| Shanghai | China | PVG | ZSPD | Shanghai Pudong International Airport |
| Shenyang | China | SHE | ZYTX | Shenyang Taoxian International Airport |
| Shenzhen | China | SZX | ZGSZ | Shenzhen Bao'an International Airport |
| Singapore | Singapore | SIN | WSSS | Singapore Changi Airport |
| Taipei | Taiwan | TPE | RCTP | Taiwan Taoyuan International Airport |
| Taiyuan | China | TYN | ZBYN | Taiyuan Wusu Airport |
| Tokyo | Japan | NRT | RJAA | Narita International Airport |
| Xiamen | China | XMN | ZSAM | Xiamen Gaoqi International Airport |
| Wenzhou | China | WNZ | ZSWZ | Wenzhou Yongqiang International Airport |
Question:
What is the IATA for Nanjing?
Answer:
NKG