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_15 (wins INTEGER, events VARCHAR, top_5 VARCHAR)
### Question:
what is the sum of wins when events is 13 and top-5 is less than 1?
### Answer:
SELECT SUM(wins) FROM table_name_15 WHERE events = 13 AND top_5 < 1