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_39915 ( "Club" text, "Played" text, "Drawn" text, "Lost" text, "Points for" text, "Points against" text, "Points difference" text, "Tries For" text, "Tries Against" text, "Try Bonus" text, "Losing Bonus" text, "Points" text )

### Question ###
What is the Lost with a Losing Bonus that is 4?

### Accurate SQL ###

SELECT "Lost" FROM table_39915 WHERE "Losing Bonus" = '4'