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

### Instruction:
For the team with a class of gt2 and 3:59.820 on day 2, what was the behind?

### Inputs:
table_name: table, columns: ['Team', 'Class', 'Day 1', 'Day 2', 'Behind']

### Response:
SELECT Behind FROM table WHERE Class = gt2 AND Day 2 = 3:59.820