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

### Instruction:
In Los Banos, California, when the ERP W is than 10, what is the average Frequency MHz?

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

### Response:
SELECT AVG Frequency MHz FROM table WHERE City of license = los banos, california AND ERP W < 10