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

### Instruction:
What gun has a time to feet ratio of 18.8 at 55 degrees?

### Inputs:
table_name: table, columns: ['Gun', 'm/v ft/s', 'Shell (lb)', 'Time to ft (m) at 25° (seconds)', 'Time to ft (m) at 40° (seconds)', 'Time to ft (m) at 55° (seconds)', 'Max. height (ft)']

### Response:
SELECT Gun FROM table WHERE Time to ft (m) at 55° (seconds) = 18.8