Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What network has an aspect of 4:3 and a PSIP Short Name of qvc?

### Inputs:
table_name: table, columns: ['Channel', 'Video', 'Aspect', 'PSIP Short Name', 'Network']

### Response:
SELECT Network FROM table WHERE Aspect = 4:3 AND PSIP Short Name = qvc