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_47 (rank INTEGER, sets_won VARCHAR, loss VARCHAR)

### Question ###
What is the least rank with more than 16 sets won and less than 1 loss?

### Accurate SQL ###

SELECT MIN(rank) FROM table_name_47 WHERE sets_won > 16 AND loss < 1