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

### Instruction:
How many marks are there when tackles are 3?

### Inputs:
table_name: table, columns: ['Year', 'Team', 'Number', 'Games', 'Kicks', 'Handballs', 'Total Disposals', 'Marks', 'Tackles', 'Goals', 'Behinds', 'Goal Accuracy %', 'Brownlow Medal Votes']

### Response:
SELECT Marks FROM table WHERE Tackles = 3