human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Position, Team, Points, Played, Drawn, Lost, Against, Difference
###Question: What was the total number of Points when the value Difference was 13, and when the value Lost was greater than 3?
gpt
SELECT SUM Points FROM table WHERE Difference = 13 AND Lost > 3