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_23563375_11 ( against VARCHAR, w_l VARCHAR, round VARCHAR )

### Question ###
Who was played against when there was a loss and in the gi po round?

### Accurate SQL ###

SELECT against FROM table_23563375_11 WHERE w_l = "Loss" AND round = "GI PO"