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_29 (yards INTEGER, player VARCHAR, long VARCHAR)
### Question:
Tell me the sum of yards for jason campbell and long less than 23
### Answer:
SELECT SUM(yards) FROM table_name_29 WHERE player = "jason campbell" AND long < 23