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 (league_cup INTEGER, position VARCHAR, UEfa_cup VARCHAR)
### Question:
What is the sum of the appearances at the league cup for the defender who had less than 10 appearances at the UEFA cup?
### Answer:
SELECT SUM(league_cup) FROM table_name_29 WHERE position = "defender" AND UEfa_cup < 10