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_81 ( challenge_loser VARCHAR, challenge_winner VARCHAR )

### Question ###
Which challenge loser has a Challenge Winner of roseny?

### Accurate SQL ###

SELECT challenge_loser FROM table_name_81 WHERE challenge_winner = "roseny"