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

### Instruction:
Who was the deceased spouse who was married for 4 years?

### Inputs:
table_name: table, columns: ['Name', 'Deceased Spouse', 'Cause of Death', 'Date of Spouses Death', 'Length of Marriage', 'Children Together', 'Current Marital Status']

### Response:
SELECT Deceased Spouse FROM table WHERE Length of Marriage = 4 years