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_16331025_2 (dates__mdy_ VARCHAR, position VARCHAR, sellout___percentage_ VARCHAR)

### Question ###
Who many dates are in position 9 and the sellout is 81%?

### Accurate SQL ###

SELECT COUNT(dates__mdy_) FROM table_16331025_2 WHERE position = 9 AND sellout___percentage_ = "81%"