Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_64 (gold INTEGER, total VARCHAR, silver VARCHAR, bronze VARCHAR, type VARCHAR)

### Question ###
What is the average gold of the winter athlete with 1 bronze, less than 3 silver, and less than 4 total medals?

### Accurate SQL ###

SELECT AVG(gold) FROM table_name_64 WHERE bronze = 1 AND type = "winter" AND silver < 3 AND total < 4