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

### Instruction:
What were the fewest amount of guns possessed by a frigate that served in 1815?

### Inputs:
table_name: table, columns: ['Ship', 'Guns', 'Class', 'Captain', 'Rank', 'Year']

### Response:
SELECT MIN Guns FROM table WHERE Class = frigate AND Year = 1815