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_23817012_6 (fg_fga VARCHAR, ft_fta VARCHAR)

### Question ###
what is the score in fg-fga if in ft-fta is 16-21

### Accurate SQL ###

SELECT fg_fga FROM table_23817012_6 WHERE ft_fta = "16-21"