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:
| Date | Home team | Score | Away team | Venue | Box Score | Report |
| --- | --- | --- | --- | --- | --- | --- |
| 13 September | Cairns Taipans | 98-92 | South Dragons | Cairns Convention Centre | box score | report |
| 14 September | Sydney Spirit | 102-112 | Melbourne Tigers | State Sports Centre | box score | report |
| 17 September | South Dragons | 97-81 | Perth Wildcats | Hisense Arena | box score | report |
| 18 September | New Zealand Breakers | 114-93 | Wollongong Hawks | North Shore Events Centre | box score | report |
| 19 September | Gold Coast Blaze | 75-85 | Cairns Taipans | Gold Coast Convention Centre | box score | report |
| 19 September | Adelaide 36ers | 109-82 | Townsville Crocodiles | Distinctive Homes Dome | box score | report |
| 20 September | Melbourne Tigers | 92-76 | Gold Coast Blaze | State Netball and Hockey Centre | box score | report |
| 20 September | Wollongong Hawks | 111-99 | Sydney Spirit | WIN Entertainment Centre | box score | report |
| 21 September | Perth Wildcats | 87-91 | South Dragons | Challenge Stadium | box score | report |
Question:
who is the away team on 21 september?
Answer:
South Dragons