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_51 (gold INTEGER, bronze VARCHAR, silver VARCHAR, nation VARCHAR)
### Question:
What is the average number of golds for nations with less than 2 silver, named uzbekistan, and less than 4 bronze?
### Answer:
SELECT AVG(gold) FROM table_name_51 WHERE silver < 2 AND nation = "uzbekistan" AND bronze < 4