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_63 (bronze INTEGER, nation VARCHAR, total VARCHAR)
### Question:
Which the highest Bronze of czech republic with a Total smaller than 4?
### Answer:
SELECT MAX(bronze) FROM table_name_63 WHERE nation = "czech republic" AND total < 4