Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_40 (opened INTEGER, line_name VARCHAR, last_extension VARCHAR)
### Question:
What is the average opened year of line e, which had their last extension before 2003?
### Answer:
SELECT AVG(opened) FROM table_name_40 WHERE line_name = "line e" AND last_extension < 2003