What is the average building year for Superb?
CREATE TABLE table_name_75 (
    built INTEGER,
    name VARCHAR
)
SELECT AVG(built) FROM table_name_75 WHERE name = "superb"
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 is the average building year for Superb? ### Input: CREATE TABLE table_name_75 (
    built INTEGER,
    name VARCHAR
) ### Response: SELECT AVG(built) FROM table_name_75 WHERE name = "superb"