What channels have stations that were affiliated in 2002?
CREATE TABLE table_11147852_1 (
    channel_tv___dt__ VARCHAR,
    year_of_affiliation VARCHAR
)
SELECT channel_tv___dt__ FROM table_11147852_1 WHERE year_of_affiliation = "2002"
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: What channels have stations that were affiliated in 2002? ### Input: CREATE TABLE table_11147852_1 (
    channel_tv___dt__ VARCHAR,
    year_of_affiliation VARCHAR
) ### Response: SELECT channel_tv___dt__ FROM table_11147852_1 WHERE year_of_affiliation = "2002"