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
###Question: What is the points number when 20 shows for played, and lost is 0?
gpt
SELECT Points for FROM table WHERE Played = 20 AND Lost = 0