Which IATA has a ICAO of slk?
CREATE TABLE table_63852 (
    "Airline" text,
    "IATA" text,
    "ICAO" text,
    "Callsign" text,
    "Commenced operations" real
)
SELECT "IATA" FROM table_63852 WHERE "ICAO" = 'slk'
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 IATA has a ICAO of slk? ### Input: CREATE TABLE table_63852 (
    "Airline" text,
    "IATA" text,
    "ICAO" text,
    "Callsign" text,
    "Commenced operations" real
) ### Response: SELECT "IATA" FROM table_63852 WHERE "ICAO" = 'slk'