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:
| Channel | Video | Aspect | PSIP Short Name | Network |
| --- | --- | --- | --- | --- |
| 31.1 | 720p | 16:9 | ION | Ion Television |
| 31.2 | 480i | 4:3 | qubo | qubo |
| 31.3 | 480i | 4:3 | IONLife | Ion Life |
| 31.4 | 480i | 4:3 | Shop | Ion Shop |
| 31.5 | 480i | 4:3 | QVC | QVC |
Question:
Which video has a 16:9 aspect?
Answer:
720p