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_72 (water_park VARCHAR, rank VARCHAR)

### Question ###
what is the water park with the rank 20?

### Accurate SQL ###

SELECT water_park FROM table_name_72 WHERE rank = 20