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 | Province/Region | Country | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- | --- |
| Brisbane | — | Australia | BNE | YBBN | Brisbane Airport |
| Calgary | — | Canada | YYC | CYYC | Calgary International Airport |
| Denpasar | — | Indonesia | DPS | WADD | Ngurah Rai International Airport |
| Guam | — | Guam | GUM | PGUM | Antonio B. Won Pat International Airport |
| Kuala Lumpur | — | Malaysia | KUL | WMKK | Kuala Lumpur International Airport |
| Milan | — | Italy | MXP | LIMC | Malpensa Airport |
| Moscow | — | Russia | SVO | UUEE | Sheremetyevo International Airport |
| Perth | — | Australia | PER | YPPH | Perth Airport |
| Rome | — | Italy | FCO | LIRF | Leonardo da Vinci–Fiumicino Airport |
| Saipan | — | Northern Mariana Islands | SPN | PGSN | Saipan International Airport |
| Stockholm | — | Sweden | ARN | ESSA | Stockholm Arlanda Airport |
| Sydney | — | Australia | SYD | YSSY | Sydney Airport |
| Tianjin | — | China | TSN | ZBTJ | Tianjin Binhai International Airport |
| Vienna | — | Austria | VIE | LOWW | Vienna International Airport |
Question:
What is the IATA of Guam?
Answer:
GUM