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

### Instruction:
What is the RAvg when the ratt is 3?

### Inputs:
table_name: table, columns: ['Year', 'Team', 'Comp', 'Long', 'Rate', 'RAtt', 'RYds', 'RAvg', 'Lost']

### Response:
SELECT RAvg FROM table WHERE RAtt = 3