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_97 (year_born INTEGER, player VARCHAR, height VARCHAR)
### Question:
When was radek necas with less than 2.04 height born?
### Answer:
SELECT AVG(year_born) FROM table_name_97 WHERE player = "radek necas" AND height < 2.04