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:
| Team | Opponent | Score | Venue | Round |
| --- | --- | --- | --- | --- |
| Brisbane Broncos | Penrith Panthers | 58–24 | Suncorp Stadium | Round 23 |
| Wests Tigers | Cronulla Sharks | 56–10 | Toyota Stadium | Round 23 |
| Canberra Raiders | Brisbane Broncos | 56–0 | Canberra Stadium | Round 21 |
| Wests Tigers | South Sydney Rabbitohs | 54–20 | ANZ Stadium | Round 17 |
| South Sydney Rabbitohs | Sydney Roosters | 52–12 | Sydney Football Stadium | Round 1 |
Question:
What round was in canberra stadium?
Answer:
Round 21