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

### Instruction:
Tell me the timeslot of calls of wrko

### Inputs:
table_name: table, columns: ['Calls', 'Frequency', 'Branding', 'Format', 'Timeslot', 'Group owner']

### Response:
SELECT Timeslot FROM table WHERE Calls = wrko