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:
| Rank | Airport | Code (IATA/ICAO) | Total Cargo (Metric Tonnes) | % Change |
| --- | --- | --- | --- | --- |
| 1.0 | Memphis International Airport | MEM/KMEM | 3695438.0 | 3.8% |
| 2.0 | Hong Kong International Airport | HKG/VHHH | 3660901.0 | 3.0% |
| 3.0 | Shanghai Pudong International Airport | PVG/ZSPD | 2602916.0 | 1.7% |
| 4.0 | Incheon International Airport | ICN/RKSI | 2423717.0 | 5.2% |
| 5.0 | Ted Stevens Anchorage International Airport | ANC/PANC | 2339831.0 | 17.2% |
| 6.0 | Paris-Charles de Gaulle Airport | CDG/LFPG | 2280050.0 | 0.8% |
| 7.0 | Frankfurt Airport | FRA/EDDF | 2111031.0 | 2.7% |
| 8.0 | Narita International Airport | NRT/RJAA | 2100448.0 | 6.8% |
| 9.0 | Louisville International Airport | SDF/KSDF | 1974276.0 | 5.0% |
| 10.0 | Singapore Changi Airport | SIN/WSSS | 1883894.0 | 1.8% |
| 11.0 | Dubai International Airport | DXB/OMDB | 1824992.0 | 9.4% |
| 12.0 | Miami International Airport | MIA/KMIA | 1806770.0 | 6.0% |
| 13.0 | Los Angeles International Airport | LAX/KLAX | 1629525.0 | 11.9% |
| 14.0 | Amsterdam Airport Schiphol | AMS/EHAM | 1602585.0 | 3.0% |
| 15.0 | Taiwan Taoyuan International Airport | TPE/RCTP | 1493120.0 | 7.0% |
| 16.0 | London Heathrow Airport | LHR/EGLL | 1486260.0 | 6.5% |
| 17.0 | John F. Kennedy International Airport | JFK/KJFK | 1450605.0 | 9.8% |
| 18.0 | Beijing Capital International Airport | PEK/ZBAA | 1365768.0 | 14.5% |
| 19.0 | O'Hare International Airport | ORD/KORD | 1332123.0 | 13.1% |
| 20.0 | Suvarnabhumi Airport | BKK/VTBS | 1173084.0 | 3.9% |
| 21.0 | Indianapolis International Airport | IND/KIND | 1039993.0 | 5.6% |
| 22.0 | Newark Liberty International Airport | EWR/KEWR | 887053.0 | 8.0% |
| 23.0 | Tokyo International Airport | HND/RJTT | 852444.0 | 0.1% |
| 24.0 | Kansai International Airport | KIX/RJBB | 845497.0 | 0.1% |
| 25.0 | Luxembourg-Findel Airport | LUX/ELLX | 788224.0 | 8.0% |
| 26.0 | Guangzhou Baiyun International Airport | CAN/ZGGG | 685868.0 | 1.3% |
| 27.0 | Kuala Lumpur International Airport | KUL/WMKK | 667495.0 | 2.2% |
| 28.0 | Dallas-Fort Worth International Airport | DFW/KDFW | 660036.0 | 8.7% |
| 29.0 | Brussels Airport | BRU/EBBR | 659054.0 | 11.8% |
| 30.0 | Hartsfield-Jackson Atlanta International Airport | ATL/KATL | 655277.0 | 9.0% |
Question:
What is the code for rank 10?
Answer:
SIN/WSSS