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

### Instruction:
what is the filter when the wavelength is 222mm (k-band)?

### Inputs:
table_name: table, columns: ['Camera', 'Filter', 'Wavelength', 'Total exposure time', 'Exposures']

### Response:
SELECT Filter FROM table WHERE Wavelength = 222mm (K-band)