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_79 (wins VARCHAR, tournament VARCHAR, top_25 VARCHAR)
### Question:
What is the number of Tournament of U.S. Open wins with a Top-25 smaller than 4?
### Answer:
SELECT COUNT(wins) FROM table_name_79 WHERE tournament = "u.s. open" AND top_25 < 4