What is the average opened year of line e, which had their last extension before 2003?
CREATE TABLE table_name_40 (
    opened INTEGER,
    line_name VARCHAR,
    last_extension VARCHAR
)
SELECT AVG(opened) FROM table_name_40 WHERE line_name = "line e" AND last_extension < 2003
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 opened year of line e, which had their last extension before 2003? ### Input: CREATE TABLE table_name_40 (
    opened INTEGER,
    line_name VARCHAR,
    last_extension VARCHAR
) ### Response: SELECT AVG(opened) FROM table_name_40 WHERE line_name = "line e" AND last_extension < 2003