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

### Instruction:
Name the average ERP W when it has a city of license of pound, virginia and frequency mhz more than 91.3

### Inputs:
table_name: table, columns: ['Call sign', 'Frequency MHz', 'City of license', 'ERP W', 'FCC info']

### Response:
SELECT AVG ERP W FROM table WHERE City of license = pound, virginia AND Frequency MHz > 91.3