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:
| Venue | Hosted | Average | Highest | Lowest | Total | Last Year | Up/Down |
| --- | --- | --- | --- | --- | --- | --- | --- |
| MCG | 44.0 | 47425.0 | 83905.0 | 17566.0 | 2086712.0 | 46,141 | + 1284 |
| Football Park | 22.0 | 35208.0 | 49846.0 | 22423.0 | 774580.0 | 32,424 | + 2784 |
| Colonial Stadium | 43.0 | 31939.0 | 50701.0 | 12566.0 | 1373371.0 | 30,524 | + 1415 |
| GABBA | 12.0 | 27313.0 | 36149.0 | 20059.0 | 327754.0 | 27,406 | – 93 |
| SCG | 13.0 | 27159.0 | 40131.0 | 20611.0 | 353069.0 | 22,390 | + 4769 |
| Subiaco Oval | 22.0 | 26964.0 | 41285.0 | 15136.0 | 593202.0 | 30,326 | – 3362 |
| Optus Oval | 9.0 | 23417.0 | 30067.0 | 15622.0 | 210750.0 | 24,656 | – 1239 |
| Shell Stadium | 7.0 | 21445.0 | 27421.0 | 14298.0 | 150114.0 | 22,108 | – 663 |
| York Park | 1.0 | 17460.0 | 17460.0 | 17460.0 | 17460.0 | N/A | N/A |
| Manuka Oval | 3.0 | 11368.0 | 13117.0 | 10030.0 | 34105.0 | N/A | N/A |
Question:
What is the up/down at the venue that hosted 7 games?
Answer:
– 663