When 4 is the v-band what is the overall amount of ka-bands?
CREATE TABLE table_186468_1 (
    ka_band VARCHAR,
    v_band VARCHAR
)
SELECT COUNT(ka_band) FROM table_186468_1 WHERE v_band = "4"
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: When 4 is the v-band what is the overall amount of ka-bands? ### Input: CREATE TABLE table_186468_1 (
    ka_band VARCHAR,
    v_band VARCHAR
) ### Response: SELECT COUNT(ka_band) FROM table_186468_1 WHERE v_band = "4"