What is the average number of goals with 21 games for a debut round less than 1?
CREATE TABLE table_name_47 (
    goals__2008_ INTEGER,
    games__2008_ VARCHAR,
    debut_round VARCHAR
)
SELECT AVG(goals__2008_) FROM table_name_47 WHERE games__2008_ = 21 AND debut_round < 1
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 number of goals with 21 games for a debut round less than 1? ### Input: CREATE TABLE table_name_47 (
    goals__2008_ INTEGER,
    games__2008_ VARCHAR,
    debut_round VARCHAR
) ### Response: SELECT AVG(goals__2008_) FROM table_name_47 WHERE games__2008_ = 21 AND debut_round < 1