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

### Instruction:
What is the number of averages having a balls faced over 297 and more than 7 innings?

### Inputs:
table_name: table, columns: ['Name', 'Innings', 'Runs Scored', 'Balls Faced', 'Average', 'S.R.']

### Response:
SELECT COUNT Average FROM table WHERE Balls Faced > 297 AND Innings > 7