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_18958648_1 ( overweight__incl_obese__adults VARCHAR, obesity_rank VARCHAR )

### Question ###
What are all percentages of overweight or obese adults for obesity rank of 21?

### Accurate SQL ###

SELECT overweight__incl_obese__adults FROM table_18958648_1 WHERE obesity_rank = 21