When was outgoing manager Zolt n Varga appointed?
CREATE TABLE table_name_77 (
    date_of_appointment VARCHAR,
    outgoing_manager VARCHAR
)
SELECT date_of_appointment FROM table_name_77 WHERE outgoing_manager = "zoltán varga"
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 was outgoing manager Zolt n Varga appointed? ### Input: CREATE TABLE table_name_77 (
    date_of_appointment VARCHAR,
    outgoing_manager VARCHAR
) ### Response: SELECT date_of_appointment FROM table_name_77 WHERE outgoing_manager = "zoltán varga"