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_14 (conventional_plans VARCHAR, pos_plans VARCHAR)

### Question ###
Which conventional plan has a POS plan of 21%?

### Accurate SQL ###

SELECT conventional_plans FROM table_name_14 WHERE pos_plans = "21%"