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

### Instruction:
WHAT IS THE AVERAGE OVERALL WITH A ROUND LARGER THAN 9, AND RB POSITION?

### Inputs:
table_name: table, columns: ['Round', 'Pick', 'Overall', 'Name', 'Position', 'College']

### Response:
SELECT AVG Overall FROM table WHERE Round > 9 AND Position = rb