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_52 (win__percentage INTEGER, lost VARCHAR)
### Question:
Lost of 18 had what sum of win %?
### Answer:
SELECT SUM(win__percentage) FROM table_name_52 WHERE lost = 18