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

### Instruction:
Position of defensive tackle, and a Round of 4, and a Pick # smaller than 36 has what overall average?

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

### Response:
SELECT AVG Overall FROM table WHERE Position = defensive tackle AND Round = 4 AND Pick # < 36