Tell me the timeslot of calls of wrko
CREATE TABLE table_name_21 (
    timeslot VARCHAR,
    calls VARCHAR
)
SELECT timeslot FROM table_name_21 WHERE calls = "wrko"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Tell me the timeslot of calls of wrko ### Input: CREATE TABLE table_name_21 (
    timeslot VARCHAR,
    calls VARCHAR
) ### Response: SELECT timeslot FROM table_name_21 WHERE calls = "wrko"