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_82 ( athlete VARCHAR, nationality VARCHAR, group VARCHAR, rank VARCHAR, result VARCHAR )

### Question ###
Which athlete's rank is more than 15 when the result is less than 7.68, the group is b, and the nationality listed is Great Britain?

### Accurate SQL ###

SELECT athlete FROM table_name_82 WHERE rank > 15 AND result < 7.68 AND group = "b" AND nationality = "great britain"