human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Club, Played, Drawn, Lost, Points for, Points against, Tries for, Tries against, Try bonus, Losing bonus, Points
###Question: How many points against did the club with a losing bonus of 3 and 84 tries have?
gpt
SELECT Points against FROM table WHERE Losing bonus = 3 AND Tries for = 84