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_90 (code_name VARCHAR, distribution VARCHAR)
### Question:
with distribution of 20.6% what is the code name?
### Answer:
SELECT code_name FROM table_name_90 WHERE distribution = "20.6%"