Which city did kpnz-tv provide coverage for?
CREATE TABLE table_2523809_1 (
    coverage VARCHAR,
    callsign VARCHAR
)
SELECT coverage FROM table_2523809_1 WHERE callsign = "KPNZ-TV"
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: Which city did kpnz-tv provide coverage for? ### Input: CREATE TABLE table_2523809_1 (
    coverage VARCHAR,
    callsign VARCHAR
) ### Response: SELECT coverage FROM table_2523809_1 WHERE callsign = "KPNZ-TV"