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

### Instruction:
what is the round when the pick # is less than 236 and the position is offensive guard?

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

### Response:
SELECT AVG Round FROM table WHERE Pick # < 236 AND Position = offensive guard