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

### Instruction:
What is the average Round, when Pick # is greater than 70, and when Position is Tackle?

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

### Response:
SELECT AVG Round FROM table WHERE Pick # > 70 AND Position = tackle