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

### Instruction:
Which average S.R. has an Average of 39.13 and Balls Faced larger than 318?

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

### Response:
SELECT AVG S.R. FROM table WHERE Average = 39.13 AND Balls Faced > 318